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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
35
DHW Pump Locked Rotor
HW
contaminants or trash in the
pump impeller
Remove the pump head, clean out contaminants and flush system
HW
Seized impeller
Replace pump head
36
DHW Pump Voltage Shutdown
HW
Low pump voltage
Check line voltage to the pump
37
DHW Pump Sensor
HW
Bad RPM sensor
Replace pump if the line voltage and control signal is present at the
pump but it doesn’t operate.
38
Suction temp Sensor
ALL
Bad thermistor
Check temp vs. resistance curve per calculator
ALL
Bad wiring harness
Check wiring harness
ALL
Bad EXM
If harness and sensor are fine board is bad, replace EXM
39
Discharge temp Sensor
ALL
Bad thermistor
Check temp vs. resistance curve per calculator
ALL
Bad wiring harness
Check wiring harness
ALL
Bad EXM
If harness and sensor are fine board is bad, replace EXM
40
Entering HW Temp Sensor
ALL
Bad thermistor
Check temp vs. resistance curve per calculator
ALL
Bad wiring harness
Check wiring harness
ALL
Bad EXM
If harness and sensor are fine board is bad, replace EXM
41
Leaving HW Temp Sensor
ALL
Bad thermistor
Check temp vs. resistance curve per calculator
ALL
Bad wiring harness
Check wiring harness
ALL
Bad EXM
If harness and sensor are fine board is bad, replace EXM
42
Air Coil Liquid temp Sensor
ALL
Bad thermistor
Check temp vs. resistance curve per calculator
ALL
Bad wiring harness
Check wiring harness
ALL
Bad EXM
If harness and sensor are fine board is bad, replace EXM
43
Air Coil Vapor temp Sensor
ALL
Bad thermistor
Check temp vs. resistance curve per calculator
ALL
Bad wiring harness
Check wiring harness
ALL
Bad EXM
If harness and sensor are fine board is bad, replace EXM
44
Water Coil Liquid temp Sensor
ALL
Bad thermistor
Check temp vs. resistance curve per calculator
ALL
Bad wiring harness
Check wiring harness
ALL
Bad EXM
If harness and sensor are fine board is bad, replace EXM
45
Water Coil Vapor temp Sensor
ALL
Bad thermistor
Check temp vs. resistance curve per calculator
ALL
Bad wiring harness
Check wiring harness
ALL
Bad EXM
If harness and sensor are fine board is bad, replace EXM
46
HW HX Liquid temp Sensor
ALL
Bad thermistor
Check temp vs. resistance curve per calculator
ALL
Bad wiring harness
Check wiring harness
ALL
Bad EXM
If harness and sensor are fine board is bad, replace EXM
47
Spare temp 1 sensor fault
ALL
Bad thermistor
Check temp vs. resistance curve per calculator
ALL
Bad wiring harness
Check wiring harness
ALL
Bad EXM
If harness and sensor are fine board is bad, replace EXM
48
Lower HW Tank temp Sensor
ALL
Bad thermistor
Check temp vs. resistance curve per calculator
ALL
Bad wiring harness
Check wiring harness
ALL
Bad WXM
If harness and sensor are fine board is bad, replace WXM
49
Upper HW Tank temp Sensor
ALL
Bad thermistor
Check temp vs. resistance curve per calculator
ALL
Bad wiring harness
Check wiring harness
ALL
Bad WXM
If harness and sensor are fine board is bad, replace WXM
Содержание Trilogy Q-Mode (QE) Series
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