Carrier 30AWH004HB User Manual

86
30AW
Diagnostic
6
Fault code 14 – High temperature release
Does the unit operate?
Are the inter-connecting
cables correctly wired?
Correct inter-connecting
cabling
Check P.C. Board - if
defect, replace
Are the connectors
correctly located?
Ensure connectors are
located correctly
Does the voltage measured
between _and _ on the
terminal block (1,2,3) of
the unit vary?*
Is a DC Voltage of 280V
measured between the
terminals of the electrolytic
capacitor on inverter main
board
Replace inverter board
Is a DC Voltage of 7V
supplied to the CDB? Are
cables between Pin 2 and
Pin 5 on CN800 normal?
Replace inverter board /
Ensure cabling is correct
Is case thermocouple
(CN500) connected?
Connect thermocouple
CN500
Does case thermocouple
operate?
Normal Fan Motor
Are the LEDs on receiver or
main board ashing?
Check receiver board,
replace if defect
Check & Correct refrigerant
charge
Change GMC Board
** S5277G or equivalent (G or J type) (Diode
with rated voltage of 400V or mo
re is
acceptable).
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
NO
* As shown below, perform
measurement within 20 seconds
of power ON
See DIODE data at the end of
session
** S5277G or equivalent (G or
J type) (Diode with rated
voltage of 400V or more is
acceptable).
3
2
1
+
Black
White
S5277G**
Inter - terminal block
SM_30AW.indd 86 14-03-2011 14:45:39

Carrier 30AWH004HB Specifications

General

Brand	Carrier
Model	30AWH004HB
Category	Air Conditioner
Language	English