Page 76 MUL41E-0610/06-2011
ALARM 034:
ELECTRICAL BOX, AIR TEMPERATURE TOO HIGH
Description
The air temperature measured by the probe placed in the electrical box is too high. This alarm is managed only on
NAC or NAH units.
Action
If the inside temperature is higher than 62.0°C for at least 5min, one of the circuit is stopped.
If the inside temperature is higher than 65.0°C, for at least 5min, the two circuits are stopped.
The alarm is signalling if one of the two limits is reached.
Reset
The trip is automatic clear once the temperature has reached the permitted operating range for 2min (58.0°C).
Possible cause(s)
• Temperature probe failed,
• Problem with wiring of probe,
• Inside air fan blower not operating,
• Inside air fan thermostat not operating or wrong adjusted.
Remedies
• Replace probe,
• Check the connections of the probe,
• Check the air fan blower,
• Check the air fan thermostat.
To Next Page
Loading...
