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73
c l i m a t e m a s t e r.c o m
Trilogy
®
Q-Mode
®
(QE) Series IOM - 60Hz HFC-410A
R e v i s e d : D e c e m b e r 2 2 , 2 0 2 1
Table 16: Troubleshooting (Cont.)
Code
Fault
Mode
Possible Cause
Solution
58
Low Suction Superheat
ALL
Faulty EEV
Check EEV operation
ALL
Bad suction pressure trans-
ducer
Troubleshoot transducer
ALL
Bad suction temp sensor
Check temp vs. resistance curve per calculator
ALL
Improperly installed suction
temp sensor
Check location and position of temp sensor
59
High Suction Superheat
ALL
Faulty EEV
Check EEV operation
ALL
Bad check valve
Check temp across check valve in unused circuit to determine if there
is leakage
ALL
Low charge
Check unit capacity in mode check
ALL
Bad suction pressure
transducer
Troubleshoot transducer.
ALL
Bad suction temp sensor
Check temp vs. resistance curve per calculator.
ALL
Improperly installed suction
temp sensor
Check location and position of temp sensor.
60
General Compressor Fault
Mitsubishi Inverter 0930
HT, CL
Check compressor sub faults
See Low Level sub-faults (codes 61-71, 75 and 76).
Carel Inverter 1860
HT, CL
Data reception failure
Check the serial connection. Switch the drive off and back on again. In
case of persistance, call for assistance.
HT, CL
Execution of reset parameter
default command;
Parameters user setting
corrupted
Set parameters.
HT, CL
Wrong parameters values or
unsuited load
Switch the drive off and back on again. Check the parameters values.
Check the motor load.
HT, CL
Refer to class A alarm 13
refer to class A alarm 13
61
High temp Shutdown
Mitsubishi Inverter 0930
HT, CL
Improper contact with heat sink Check heat sink contact with inverter board.
HT, CL
Damaged thermistor
Replace inverter board if reading coming back from board is higher
than 200ºF
***WARNING - Inverter board capacitors maintain high voltage for up
to 15 minutes before fully discharging.
Carel Inverter 1860
HT, CL
The temperature inside the
drive has exceeded the
maximum level allowed.
Check that the quantity and flow of cooling air ar regular. Check that
there is not dust in the heat sink. Check the environment temperature.
Ensure that the switching frequency is not too high with respect to the
environment temperature and the motor load.
HT, CL
The temperature of the drive is
lower than the minimum level
allowed.
Warm up the ambient where the drive is installed.
HT, CL
•
Blockage in the cooling
system
•
Minimum distance for inverter
positioning not respected
(see manual)
•
Cooling system not working
properly
Check quality (dirt) and quantity of cooling air.
Check ambient temperature.
HT, CL
•
Cooling system not working
properly
•
Unsuitable environment
Check ambient temperature.
HT, CL
PFC overcurrent
Reset alarm. In case of persistance, call for assistance.
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