Mitsubishi Electric s-AIRME-G02 Instructions For Installation, Use And Maintenance Manual page 94

FAULT
Low cooling pressure
Insufficient heat
capacity
Activation of safety
devices
No connections
between AHU and
external condensing
units
R32 sensor can no
longer be calibrated
INFORMATION:
Refer to the user manual for a list of alarms.
Installation, use and maintenance manual
PART
Refrigerant circuit
Battery
Refrigerant circuit
Fans
Power supply
Parameters
R32 sensor
POSSIBLE CAUSE/SOLUTION
Refer to the manual of the external condensing unit (e.g. check gas
charge, compressor delivery temperature ...)
Incorrect gas/liquid pipe connection
Coil dirty
Presence of non-condensate in the direct expansion coil
Refer to the manual of the external condensing unit (e.g. check gas
charge, compressor delivery temperature ...)
Check fan voltage and absorption.
Check that there is power supply on both the AHU and the external
condensing units
Check the correct setting of the dip-switches in the PAC-IF boards and
in the external condensing units
Sensor replacement
94