Amana AVXC20 Series User Manual

13
TROUBLESHOOTING
A VOID CONTACT WITH THE CHARGED AREA .
•N
EVER TOUCH THE CHARGED AREA BEFORE CONFIRMING THAT THE RESIDUAL VOLTAGE IS 50 VOLTS OR LESS .
1. S
HUT DOWN THE POWER AND LEAVE THE CONTROL BOX FOR 10 MINUTES .
2. M
AKE SURE TO TOUCH THE E ARTH GROUND TERMINAL TO RELEASE THE STATIC ELECTRICITY FROM YOUR BODY ( TO PREVENT FAILURE OF THE PC BOARD ).
3. M
EASURE THE RESIDUAL VOLTAGE IN THE SPECIFIED MEASUREMENT POSITION USING A VOM WHILE PAYING ATTENTION NOT TO TOUCH THE CHARGED AREA .
4. I
MMEDIATELY AFTER MEASURING THE RESIDUAL VOLTAGE , DISCONNECT THE CONNECTORS OF THE OUTDOOR UNIT ’ S FAN MOTOR . (I F THE FAN BLADE ROTATES BY
STRONG WIND BLOWING AGAINST IT , THE CAPACITOR WILL BE CHARGED, CAUSING THE DANGER OF ELECTRICAL SHOCK .)
WARNING
POSSIBLE CAUSE
X IN ANALYSIS GUIDE INDICATE
"POSSIBLE CAUSE"
Comp discharge temp > 200F Comp discharge temp < 105F Comp discharge SH > 70F Comp discharge SH < 20F High pressure > 490psi High pressure < 255psi LSV SC > 12F LSV SC < 4F OD SSV SH > 20F OD SSV SH < 4F Low pressure > 185psi Low pressure < 100psi Requested % demand < Actual % demand Requested % demand > Actual % demand Repeated stop/start Weak cooling No switch cooling Noise Stop operation
Liquid stop valve does not fully open
XXXXX X XXXX
Gas stop valve does not fully open
XX X XXX
Line set restriction
XXXXX X XXXX
Line set length is too long
XX XXX
Blocked filter-dryer
XXXXX X XXXX
EEV coil failure
XXX X
EEV failure
XXX
High Pressure switch failure
X
Pressure sensor failure
XXXXXXX
OD control board failure
X
Discharge temp sensor failure
XXXX X X XX X
Coil temp sensor failure
XXX X X XX X
Defrost sensor failure
Liquid temp sensor failure
Ambient temp sensor failure
XXX X X XX
OD recirculation
XXX XXXX
ID recirculation
XX XXXXXX
Dirty OD Heat-exchanger
XXX XXXX
Dirty ID Heat-exchanger
X X X X XX XXX
outdoor Ambient temp is too high
XXX X XXXX
Outdoor Ambient temp is too low
X X XX XX XXX
ID suction temp is too high
XX
ID suction temp is too low
X X X X XX XXX
Mixture of non-condensible gas
XXX XX X XXXX
OD fan motor failure
XXX X XXXXX
RV failure
XX X X XXXXX
RV coil failure
XX X X XXXXX
Over charge
XXXXX X X X X X
Under charge
XXX X XX X X X
Leak
XXX X XX X X XX X
TXV failure
XXXXXXXXXXXX X X XX
TXV size is small
XXXXX X X
TXV size is big
XXXXXX X X
Compressor failure
XXX X X X XX XX
Cooling loop is not attached
XXX
Cooling loop grease is not enough
XXX
Compressor and Gas furnace are operating at the sametime
X
Low ID CFM
XX XXXXXX X
OD: 67-115F
ID: 65-85F
COOLING ANALYSIS CHART

Amana AVXC20 Series Specifications

General

Brand	Amana
Model	AVXC20 Series
Category	Air Conditioner
Language	English