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84
30AW
Diagnostic
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power supply voltage
Are the connections of cables and
connectors correct
?
Check and correct the
cabling & connections
Is the compressor
functional
?
Has there been a refrigerant
leak
?
Compressor lock - replace
Does the electronic expansion
valve operate normally
?
Check TE and TS Sensors, replace
if defective
Check expansion valve, replace if
defective
Check GMC & inverter Board – if
defective, replace
Fault code 28 – Discharge temperature error
Fault code 27 – Compressor lock
Is the protective control, such
as discharge temperature
release, normal
?
Are the connections of
cables and connectors
correct
?
Check and correct the
cabling & connections
Check parts, if defective
replace
Is the refrigerant charge correct
?
Does and overload condition exist
?
Are the resistance characteristics of the TD
sensor normal
?
Check and correct the
refrigerant charge
Delete the cause of
overload
Replace the TD sensor
Check Inverter board,
replace if defective
NO
NO
NO
NO
NO
YES
YES
YES YES
YES
NO
YES
NO
YES
YES
NO
NO
NO
YES
YES
SM_30AW.indd 84
14-03-2011 14:45:37
Summary of Contents for 30AWH004HB
Page 30: ...30 30AW GMC control size 004HB Electrical connections 4 SM_30AW indd 30 14 03 2011 14 42 18...
Page 32: ...32 30AW GMC control size 004XB Electrical connections 4 SM_30AW indd 32 14 03 2011 14 42 24...
Page 34: ...34 30AW GMC control size 006HB Electrical connections 4 SM_30AW indd 34 14 03 2011 14 42 29...
Page 36: ...36 30AW GMC control size 006XB Electrical connections 4 SM_30AW indd 36 14 03 2011 14 42 35...
Page 38: ...38 30AW GMC control size 006NX Electrical connections 4 SM_30AW indd 38 14 03 2011 14 42 40...
Page 40: ...40 30AW GMC control size 008HB Electrical connections 4 SM_30AW indd 40 14 03 2011 14 42 45...
Page 42: ...42 30AW GMC control size 008XB Electrical connections 4 SM_30AW indd 42 14 03 2011 14 42 50...
Page 44: ...44 30AW GMC control size 008NX Electrical connections 4 SM_30AW indd 44 14 03 2011 14 42 56...
Page 46: ...46 30AW GMC control size 012HB Electrical connections 4 SM_30AW indd 46 14 03 2011 14 43 01...
Page 48: ...48 30AW GMC control size 012XB Electrical connections 4 SM_30AW indd 48 14 03 2011 14 43 07...
Page 50: ...50 30AW GMC control size 012NX Electrical connections 4 SM_30AW indd 50 14 03 2011 14 43 13...
Page 51: ...51 30AW Inverter control size 015HB SM_30AW indd 51 14 03 2011 14 43 16...
Page 52: ...52 30AW GMC control size 015HB SM_30AW indd 52 14 03 2011 14 43 19...
Page 53: ...53 30AW Inverter control size 015XB SM_30AW indd 53 14 03 2011 14 44 58...
Page 54: ...54 30AW GMC control size 015XB SM_30AW indd 54 14 03 2011 14 45 01...
Page 100: ...100 30AW Carrier interfaces 7 SM_30AW indd 100 14 03 2011 14 46 25...