47
SHUTDOWN
47
APPENDIX
Error no. Error Description Checks Solutions
37 FLUE_PRESSURE_LOCKING Flue pressure switch is
closed for the fourth time.
a- Check for obstruction in
the ue piping.
b- Blocking errors should be
recorded prior to the locking
error to occur.
c- Check for condensate in
the hose towards the ue
pressure switch to ensure it
isn’t blocked.
BLOCKING ERRORS
Error no. Error Description Checks Solutions
100 WD_ERROR_RAM Internal software error
Replace the power control
board
101 WD_ERROR_ROM Internal software error
Replace the power control
board
102 WD_ERROR_STACK Internal software error
Replace the power control
board
103 WD_ERROR_REGISTER Internal software error
Replace the power control
board
104 HIGH_LIMIT_FAIL Physical high limit test failed
Replace the power control
board
105 HIGH_TEMP_ERROR
Supply temperature exceeds
110°C (230°F) with gas valve
closed
a- Check all hydraulic valves
and pumps are open and
functioning correctly.
b- Check supply sensor.
c- Check the value of the
reading of this sensor in the
info screen.
a- Change the pump or
restart it;
b- Open the valves on
hydraulic circuit;
c- Verify that the
temperature sensor has the
correct resistance values. If
values are incorrect sensor
must be replaced.
106 REFHI_TOO_HIGH Internal software error
Replace the power control
board
107 REFHI_TOO_LOW Internal software error
Replace the power control
board
108 REFLO_TOO_HIGH Internal software error
Replace the power control
board
109 REFLO_TOO_LOW Internal software error
Replace the power control
board
110 REFHI2_TOO_HIGH Internal software error
Replace the power control
board
111 REFHI2_TOO_LOW Internal software error
Replace the power control
board
112 REFLO2_TOO_HIGH Internal software error
Replace the power control
board
113 REFLO2_TOO_LOW Internal software error
Replace the power control
board
114 FALSE_FLAME
Flame is detected in a state
in which no ame is allowed
to be seen
Replace the power control
board
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