Tops Repair Codes
Below is a revised list of codes used by TOPS to describe the work carried out and faults on a particular locomotive (REASOS codes). Thanks to all those who have contributed to this page I hope it will be of use to people. If there is anything additional to add please contact me at matt@railnet.free-online.co.uk
100-191 Engine repairs
200-270 Mechanical and hydraulic transmission
300-399 Braking system
400-470 Components (Machines)
500-599 Components (Electrical Power and Control Equipment)
600-690 Body, Bogie and Underframe
700-720 Emergency and Fire Protection Equipment
800-899 Components (Heating Equipment)
900-970 Components (Supply Equipment (Electric Locomotives))
General Reports Other codes not covered elsewhere
General Reports (BREL Workshop Repairs)
|
AO |
Air Brake only on a dual braked locomotive |
|
VO |
Vacuum brake only on a dual brake locomotive |
|
DM |
DSD isolated |
|
NA |
AWS isolated |
|
M2 |
Working on 2 traction motors only |
|
M3 |
Working on 3 traction motors only |
|
M4 |
Working on 4 traction motors only |
|
M5 |
Working on 5 traction motors only |
|
OE |
Working on one engine only |
|
BO |
Steam heat available only (dual heat locomotive) |
|
EO |
Electric heating only (dual heat locomotive) |
|
NH |
No heat available |
|
FW |
Not to work passenger or high speed freight |
|
LE |
To work light loco or dead in tow for repairs |
|
LW |
To work out and back from a TMD (ie. local working) |
|
MO |
To work only in multiple waith a locomotive |
|
NM |
No multi working |
|
OJ |
One journey only to the depot for repairs |
|
RW |
Restricted working (consult regional control) |
|
TE |
On a test run |
|
1L |
To work no.1 end leading only |
|
2L |
To work no.2 end leading only |
| Shortages | |
| OBW | Boiler water supply exhausted |
| OOF | Fuel supply exhausted |
| OOS | Sand supply exhausted |
| Protective Equipment | |
| AEF | Auxiliary earth fault relay tripped |
| BHZ | Bucholz relay tripped? |
| MCD | Fuse blown or circuit broken |
| OLZ | Overload relay tripped |
| ORZ | Overspeed tripped |
| OVP | Power earth fault relay tripped |
Defects in Service
|
WSP |
Wheelslip |
|
FRE |
Fire on locomotive |
|
ESD |
Engine shut down |
|
LOP |
Complete loss of power |
|
LWP |
Low power |
|
NOK |
Unusual noise |
|
SML |
Unusual smell |
|
VIB |
Unusual vibration |
|
CLK |
Coolant leak |
|
FLK |
Fuel leak |
|
HWT |
High water temperature |
|
LWA |
Low coolant |
|
OLK |
Oil leak |
|
ABI |
Air brake isolated |
|
ALK |
Air leak |
|
AWS |
AWS defective |
|
DSD |
DSD defective |
|
VBI |
Vacuum brake defective |
|
INS |
Instruments defective |
|
BDY |
Body defect |
|
RDG |
Bad riding |
|
WBK |
Window broken |
| BUZ | Buzzer equipment defective |
| CCD | Traction controls defective |
| EHD | Electric train heating defective |
| DTD | Other defect |
| BHD | Steam heating defective |
| WLK | Water leak |
|
ONE |
Wear and Tear |
|
TWO |
Damage |
|
FRE |
Fire |
|
FOR |
Written off |
|
FYV |
Transferred to service department use |
100-191 Engine Repairs
|
100 |
Repair to engines |
|
110 |
Crankcase, block, crankshaft and sump |
|
111 |
Cylinder liners and seals |
|
112 |
Pistons, piston rings, gudgeon pins and connecting rods |
|
120 |
Cylinder heads including gaskets and seals |
|
121 |
Valves and rocker gear |
|
123 |
Cams and camshafts. |
|
130 |
Inlet systems |
|
131 |
Exhaust system |
|
132 |
Pressure / Turbocharger |
|
140 |
Speed control valves |
|
141 |
Governor and fuel pump linkage |
|
142 |
Engine overspeed trip |
|
150 |
Fuel pumps |
|
152 |
High pressure fuel pipes |
|
160 |
Low pressure fuel system |
|
161 |
Fuel hoses pipes and joints |
|
162 |
Fuel gauges |
|
163 |
Fuel filters and strainers |
|
170 |
Lubricating oil system, components |
|
171 |
Lubricating oil pipework, joints and hoses |
|
172 |
Low or contaminated oil |
|
173 |
Low oil pressure |
|
174 |
Lubricating oil filter and strainers |
|
180 |
Radiator panels, shutter and fan |
|
181 |
Heat exchanger |
|
182 |
Charge air intercooler |
|
183 |
Engine driven coolant pumps |
|
184 |
Coolant pipework, valves and joints |
|
185 |
Coolant hoses, pipes and clips |
|
186 |
Low or contaminated coolant |
|
187 |
Low coolant pressure |
|
190 |
Hydrostatic pipework |
|
191 |
Hydrostatic control pump and motor |
200-270 Mechanical and Hydraulic Transmission
|
200 |
Mechanical and hydraulic transmission |
|
210 |
Hydraulic transmission torque convertors |
|
220 |
Mechanical drive shafts and couplings |
|
230 |
Mechanical change speed gearboxes |
|
240 |
Intermediate and final drive gearboxes |
|
250 |
Fluid couplings |
|
251 |
Free wheels |
|
260 |
Auxiliary drives and drive units |
|
261 |
Belt drives |
|
270 |
Cranks and side rods |
300-399 Braking System
|
300 |
Braking system |
|
310 |
Air brake system pipework, reservoirs, auto-drain
valves and safety |
|
311 |
Air brake hoses |
|
312 |
Air brake controllers and drivers brake valves,
including feed |
|
313 |
Triple valves and distributors |
|
314 |
Application and holding valves, including
associated contractors |
|
315 |
EP and electronic brake control equipment |
|
316 |
Air brake cylinders including automatic slack adjusters |
|
317 |
Other air brake components |
|
318 |
Wheelside protection (I think this is a mistake for "wheelslide"). |
|
320 |
Vacuum brake system pipework and reservoirs |
|
321 |
Vacuum brake hoses |
|
322 |
Vacuum brake controllers and brake valves |
|
323 |
Combined vacuum/air valve |
|
324 |
Vacuum brake cylinder |
|
325 |
Other vacuum brake components |
|
330 |
Drivers safety device, vigilance control |
|
340 |
Gauges, air and vacuum |
|
350 |
Rigging, including brackeblocks and disc pads |
|
351 |
Parking brake |
|
360 |
Interface equipment with dynamic brake |
|
370 |
Filter, strainers, dirt collectors including those
combined with |
|
380 |
<blank> |
|
390 |
AWS equipment |
|
391 |
Tripcock |
|
392 |
AWS wrong side failure tested, no fault found |
|
399 |
Brake defect - reason not ascertained |
400-470 Components (Machines)
| 400 | Machines |
| 410 | Main generator |
| 411 | Main generator flashover |
| 412 | Booster set |
| 420 | Traction motors (Except when identifiable within codes 421-424) |
| 421 | Traction motor flashover |
| 422 | Traction motor armature, incl. bearings |
| 423 | Traction motor carcase fields and wiring |
| 424 | Traction motor suspension bearings, gears, gearcases and flexible drives |
| 430 | Exhaster |
| 435 | Main or auxiliary compressor |
| 440 | Engine or axle driven generators and exciters |
| 441 | Motor generator sets, convertors ** ** and exciters |
| 442 | Train heating generator or alternator |
| 450 | Blower, cooling and radiator fan sets |
| 460 | Combined / triple pump sets |
| 461 | Fuel and transfer pump set |
| 462 | Water pump set |
| 463 | Transformer, thyristor and choke oil pumps |
| 464 | Lubricating oil priming pump |
| 470 | Starter motors, dyno starters |
500-599 Components (Electrical Power and Control Equipment)
| 500 | Electrical power and control equipment |
| 510 | Batteries - repair and renewal |
| 511 | Batteries - flat / recharged from flat |
| 512 | Battery charger |
| 513 | Automatic voltage regulator - all types |
| 520 | Power contactors, incl. TM weak field (except interlocks and EP valves) |
| 521 | Auxiliary contactors, incl. other field contactors (except interlocks and EP valves) |
| 522 | Camshafts, camgroups and drum switches (except interlocks and EP valves) |
| 523 | Reversers (except interlocks and EP valves) |
| 524 | Control relays |
| 525 | Interlocks, incl. those on contactors and camshaft, etc. |
| 526 | Protection relays (ecluding correct operation due to fault) |
| 527 | Master controllers |
| 528 | Pressure switches, incl. air and vacuum governors |
| 529 | Fuses and mod's |
| 530 | Switches and pushbuttons |
| 531 | Wheelspin / wheelslip control system |
| 532 | Slow speed control system |
| 533 | Warning lights or flags and instruments (except speedometer and brake gauges) |
| 534 | Other low tension control equipment |
| 535 | Braking |
| 536 | Resistors - Auxiliary and control |
| 537 | Potentionpiers? |
| 538 | Load regulator - electro-mechanical only |
| 550 | Main rectifiers / thyristors |
| 551 | Main rectifier cooling system |
| 552 | Recitifer auxiliaries (excl. machines) |
| 553 | Auxiliary rectifiers and transformers |
| 554 | Surge suppression equipment |
| 555 | Main smoothing chokes |
| 560 | Power cables and connections |
| 561 | Control cables, plugs and receptacles |
| 562 | Jumper cables, plugs and receptacles (except electric train heating) |
| 563 | Conduit, cable ducts, connection boxes |
| 570 | Control air system |
| 571 | EP valves (excl. brake valves) |
| 580 | Load regulator - electronic only |
| 581 | Other electronic equipment |
| 585 | Static invertors |
| 587 | Microprocessor equipment |
| 589 | TDM system (not jumpers) |
| 590 | Lighting |
| 591 | F.D.M. equipment |
| 597 | Data recorders |
| 598 | Test equipment |
| 599 | Loss of power - reason not ascertained |
600-690 Body, Bogie and Underframe
| 600 | Body, Bogie and Underframe |
| 610 | Axleboxes inc. hot axle journals |
| 612 | Wheels, tyres and axles |
| 614 | Frames, inc. centre castings, safety |
| 616 | Springs and hangers |
| 617 | Dampers |
| 618 | Earthing leads, bonds and brushes |
| 619 | Air suspension (inc. bogs, reservoirs, valves, etc.) |
| 620 | Rough riding - reasons not assertained |
| 630 | Sanding equipment |
| 640 | Door interlocks (traction) |
| 642 | Doorgear other |
| 644 | Doorgear interlocks |
| 649 | Power door gear fault - cause not assertained |
| 650 | Body framing and panelling, inc. roof |
| 651 | Bodyside filters |
| 652 | Doors and locks |
| 653 | Route / destination indicator |
| 654 | Whistles, horns and associated valves |
| 655 | Windows |
| 656 | Window wipers and washers |
| 657 | Bells and intercom systems |
| 658 | Radio Electronic Tokenless Block (RETB) |
| 659 | Radio Telephone |
| 670 | Buffing and drawgear |
| 680 | Speedometer Equipment |
| 690 | Other fittings |
700-720 Emergency and Fire Protection Equipment
| 700 | Emergency and fire protection equipment |
| 710 | Emergency equipment |
| 720 | Fire protection equipment |
800-899 Components (Heating Equipment)
| 800 | Heating system |
| 810 | Boiler - Clayton - steam / water / fuel equipment |
| 811 | Boiler - Clayton - electric equipment |
| 812 | Boiler - Spanner - steam / water / fuel equipment |
| 813 | Boiler - Spanner - electric equipment |
| 814 | Boiler - Stone-Vapour - steam / water / fuel equipment |
| 815 | Boiler - Stone-Vapour - electric equipment |
| 816 | Other steam heating equipment |
| 820 | ETH jumper plugs, receptacles and cables |
| 821 | ETH control gear |
| 840 | Cab heating, incl. demisters and air |
| 899 | Loss of heating - reason not ascertained |
900-970 Components (Supply Equipment (Electric Locomotives))
| 900 | Supply equipment - electric stock only |
| 910 | Pantograph |
| 911 | Other roof mounted equipment |
| 912 | Auto dropping device |
| 920 | Shoegear |
| 921 | Power and shoe fuses, incl. traction power isolating switches, links and fuseboxes |
| 930 | Air blast or vacuum circuit breaker |
| 940 | High tension cable and sealing ends |
| 950 | Voltage detection, selection and changeover gear |
| 960 | Automatic power control equipment |
| 970 | Main transformer, incl. oil radiator |
| DEC | On Decision |
| BBL | Brake blocking |
| BCH | Bogie changed, not scheduled exam |
| BEX | Boiler examination by CME inspector |
| BHC | Bodysides, last hand clean |
| BWG | Boiler washout, not scheduled exam |
| COL | Inspection or repairs following collision |
| DRL | Inspection or repairs following derailment |
| DVT | D.V.T. Realated defects / trials |
| DWT | Dewirement / under inspection or repair |
| FTL | Inspection following fatality |
| GXM | 'G' exam included with scheduled exam (A to E) |
| HXM | 'H' exam included with scheduled exam (A to E) |
| JXM | 'J' exam included with scheduled exam (A to E) |
| LBT | Load bank test |
| OAX | Other mishap / under inspection / repair |
| OCR | Lubricating oil change |
| PCB | Capacitors containing ? |
| PCD | Pantograph head or carbon damage |
| PHC | Pantograph head change, normal wear |
| PNT | Painting |
| SPT | Special tests |
| TDM | TDM equipment defect / mods / trials |
| UAT | Ultrasonic axle testing |
| VNR | Vandalised / under inspection / repair |
| WTR | Tyre turning |
| XAM | Scheduled exam only |
| XA1 | Scheduled maintenance exam (half 'A') |
| XA2 | Scheduled maintenance exam (half 'A') |
| XXX | No work done |
General Reports (BREL Workshop Repairs)
| ATR | Awaiting test run |
| DEC | Waiting shopping decision to be made |
| DPC | By time shown as 'Expected OK' |
| GEN | General overhaul |
| HGO | Heavy general overhaul |
| INT | Intermediate overhaul |
| LGT | Light overhaul |
| REC | Rectification after works overhaul |
