CIB UNIGAS P91A Manual De Instalación - Uso - Mantenimiento página 61

Error code table :
Red blink code of fault signal lamp (LED)
2 x blinks
3 x blinks
4 x blinks
5 x blinks
6 x blinks
7 x blinks
8 x blinks
9 x blinks
10 x blinks
12 x blinks
13 x blinks
14 x blinks
15 x blinks
During the time the cause of fault is diagnosed, the control outputs are deactivated:
Burner remains shut down
-
External fault indication (AL) at terminal X2-03, pin 3 steady on
-
Diagnostics of cause of fault is quit and the burner switched on again by resetting the burner control. Press the lockout reset button
(info button) for about 1 second (<3 seconds).
Possible cause
No establishment of flame at the end of the safety time (TSA)
- Faulty or soiled flame detector
- Faulty or soiled fuel valves
- Poor adjustment of burner, no fuel
- Faulty ignition equipment
Air pressure switch (LP) faulty
- Loss of air pressure after specified time (t10)
- - Air pressure switch (LP) welded in no-load position
Extraneous light on burner startup
Time supervision air pressure switch (LP)
- Air pressure switch (LP) welded in working position
Actuator position not reached
- Actuator faulty
- Wrong adjustment of cam
- Actuator defective or blocked
- False connection
- Misadjustment
Too many losses of flame during operation (limitation of repetitions)
- Faulty or soiled flame detector
- Faulty or soiled fuel valves
- Poor adjustment of burner
Free
Free
Wiring error or internal error, output contacts, other faults
Valve proving (LT)
- Fuel valve 1 (V1) leaking
Valve proving (LT)
- Fuel valve 2 (V2) leaking
Error in connection with valve closure control POC
Error code ≥15
Error code 22: Error of safety loop (SL)
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