Oilon GP-600 M, Operation And Maintenance Manual

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Flame monitoring fault, lockout
Condition Possible cause Action
Lockout during pre-purge. Faulty flame detector Change.
Faulty burner control Check fault code. Replace.
Incorrect flame signal because of
extraneous light
Block extraneous light.
Flame forms. Lockout during
ignition phase or in normal
operation.
Incorrect flame detector position Repair.
Dirty flame detector Clean.
Flame too weak (light) Check burner adjustments.
Faulty flame detector Change.
Faulty burner control Check fault code. Replace.
Lockout in shut-down period. Faulty flame detector Change.
Faulty burner control Check fault code. Replace.
Incorrect flame signal because of
extraneous light
Block extraneous light.
Gas use:
Lockout during shutdown period
Flame does not extinguish: leaking
gas valves.
Replace.
Poor combustion
Condition Possible cause Action
CO content is too high or smoke
number too high.
Pressure drop in combustion head
too low.
Adjust pressure drop.
Diffuser disc burned out Too low combustion air velocity:
incorrect adjustment ring position
Adjust, change diffuser disc if
necessary.
Too low partial load Adjust, change diffuser disc if
necessary.
Incorrect distance between nozzle
and diffuser disc
Adjust.
6.10 Troubleshooting error codes
See the complete fault code list in the control unit manufacturer’s
manual.
Fault codes
Code Description
1E Servomotors do not reach pre-purge or ignition position. Faulty servomotor.
2F Low gas pressure. Flame forms. Lockout and re-start occur.
1F, 2A, 29 Motor failure.
5 Faulty flame detector.
21 Safety loop open.
22 Temperature limiter released.
23 Lockout during pre-purge.
24 Lockout during shutdown.
25 Flame does not form.
108 (111) M4219 2305EN