22
MAINTENANCE MANUAL
Terminal board
Check of ionisation current
To measure the detection signals follow the scheme in fig.
35.
If the signal is less than the value shown, check the position of
the FLAME detection electrode, the electrical contacts and if
necessary replace the detection electrode.
Model.
Minimum signal
App.
of detection
LFL1.322
70 µA
Fig. 35
µ
TROUBLE
CAUSE
BURNER
DO NOT
START
MOTOR
STARTS BUT
NO ATTEMPT
TO IGNITE
NO
IGNITION
AND
LOCKOUT
NO
IGNITION
AND CYCLE
REPETITION
IGNITION
AND CYCLE
REPETITION
BURNER
DOES
NOT GO
TO HI
FIRE
LOCKOUT
DURING
BURNER
RUN
BURNER
STOPS AND
REPEATS
CYCLE
DURING
RUNNING
MAIN SWITCH OPEN
PROTECTION FUSES INTERRUPTED
THERE IS NO GAS
DEFECTIVE GAS PRESSURE SWITCH
DEFECTIVE THERMOSTAT
FAN THERMIC RELAY OPEN
AUXILIARY FUSE INTERRUPTED
DEFECTIVE AIR PRESSURE SWITCH
DEFECTIVE CONTROL BOX
DEFECTIVE SERVOCONTROL
SMOKY FLAME
AIR PRESS. SWITCH BAD SET OR DEFECT.
GAS PRESSURE SWITCH WRONG SETTING
DEFECTIVE IGNITION TRANSFORMER
IGNITION ELECTRODES BADLY POSITIONED
GAS THROTTLE VALVE WRONG SETTING
DEFECTIVE GAS GOVERNOR
HI/LO FIRE THERMOSTAT DEFECTIVE
SERVOCONTROL CAM WRONG SETTING
IONIZATION PROBE BADLY POSITIONED
PHOTOCELL IN WRONG POSITION
FAULT FINDING TABLE
TERMINAL BLOCK MC
Summary of Contents for HP60
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Page 24: ...24 MAINTENANCEMANUAL ELECTRICAL DIAGRAM code 05 483 Rev 03...
Page 25: ...25 MAINTENANCEMANUAL...
Page 32: ...32 MONARCH OIL NOZZLE Mod F80 BPS APPENDIX...
Page 33: ...33 BERGNZO OIL ZOZZLE Mod A3 APPENDIX...
Page 34: ...34 FLUIDICS OIL NOZZLE Mod K3 APPENDIX...
