53
9.2.7 High temperature protection of compressor top diagnosis and solution (P2)
9.2.8 Refrigerant Leakage Detection diagnosis and solution(EC)
Is there cool air blowing
out from indoor air outlet?
Yes
Yes
Check if T2 sensor is well
fixed. Correct the installation
or replace T2 sensor. Does
the problem remain again?
No
Is there any leakage? Especially
the connection parts, such as the
gas valve and the liquid valve.
No
Shut off the power supply and
turn it on 5 seconds later. Is it
still displaying the error code?
Replace indoor PCB.
Yes
Repair the leakage and
recharge the refrigerant.
Yes
Clear the blocking.
Yes
Is there any block i n g ? (Such as the
capillary or the welded points of the pipes.)
Summary of Contents for 38HVM109303P
Page 13: ...13 5 2 Outdoor Unit MOC 09HFN1 MW0W MOC 12HFN1 MV0W MOF 18HFN1 MU0W...
Page 14: ...14 MOG 24HFN1 MT0W...
Page 29: ...29 If T4 5 or the compressor starts running the preheating function will stop...
Page 47: ...47 9 2 2 Indoor outdoor units communication error diagnosis and solution E1...
Page 48: ...48 9 2 3 Fan speed has been out of control diagnosis and solution E3 E7...
Page 50: ...50 9 2 4 Open circuit or short circuit of temperature sensors diagnosis and solution E5 E6...
Page 51: ...51 9 2 5 IPM malfunction or IGBT over strong current protection diagnosis and solution P0...
Page 52: ...52 9 2 6 Over voltage or over low voltage protection diagnosis and solution P1...
Page 54: ...54 9 2 9 Inverter compressor drive error diagnosis and solution P4...