Unigas HTP90A, Manual Of Installation - Use - Maintenance

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9
Error code table :
Red blink code of fault signal lamp (LED) Possible cause
2 x blinks 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
3 x blinks Air pressure switch (LP) faulty
- Loss of air pressure after specified time (t10)
- - Air pressure switch (LP) welded in no-load position
4 x blinks Extraneous light on burner startup
5 x blinks Time supervision air pressure switch (LP)
- Air pressure switch (LP) welded in working position
6 x blinks Actuator position not reached
-
Actuator faulty
- Wrong adjustment of cam
- Actuator defective or blocked
- False connection
- Misadjustment
7 x blinks Too many losses of flame during operation (limitation of repetitions)
-
Faulty or soiled flame detector
- Faulty or soiled fuel valves
- Poor adjustment of burner
8 x blinks Free
9 x blinks Free
10 x blinks Wiring error or internal error, output contacts, other faults
12 x blinks Valve proving (LT)
- Fuel valve 1 (V1) leaking
13 x blinks Valve proving (LT)
- Fuel valve 2 (V2) leaking
14 x blinks Error in connection with valve closure control POC
15 x blinks Error code ≥ 15
Error code 22: Error of safety loop (SL)
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).