Gree HNTF24/A-D, Service Manual

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31
Condensing Unit
Service Manual
MAINTENANCE
1TROUBLE TABLE(Only for floor ceiling)
Fault code Fault Fault code Fault
E2
Indoor Frost-
Proof Protection
F0
Failure of Indoor Room
Sensor at Air Intake
E6 Communications Failure F1 Failure of Evaporator Temp. Sensor
EH
Failure of Auxiliary
Heater
F5
Failure of Indoor Room
Sensor at Wire Controller
2 FLOW CHART OF TROUBLESHOOTING
2.1 Air flow volume from air outlet of unit is abnormal
Yes
Yes
Yes
Yes
No
No Yes
No Yes
Yes
No
Air flow volume fro m
air outlet of unit is
abnomal
Filter in air return
box isn’t blocked
Re-connect
power cord
Capacitor in centrifugal
fan’ s return circuit is
burnt out
Replace capacitor
centrifugal fan
normally runs
centrifugal fan motor
has malfunction
Repair or replace
motor
Power cord of centrifugal
fan is in good contact
and not broken
Power of centrifugal
fan is on
Clean fifiter