Amana AVXC20 Series, Инструкция по эксплуатации

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70
TROUBLESHOOTING
OUTDOOR UNIT ERROR CODES
ClimateTalk
Fault Code
PCB LED
Display
Transmitted
ClimateTalk Message
Thermostat Fault Probable Causes Corrective Actions
12 E12 OD CTRL FAIL1
Indicates a general memory error.
● High electrical noise
● Faulty control board
● Replace control board if necessary
13 E13
HI PRESSURE C
(C = CRITICAL)
This error indicates the equipment is
experiencing frequent high pressure
faults.
● Blocked/restricted condenser coil and/or
lines
● Stop valve not completely open
● Overcharge
● Outdoor fan not running
● High pressure switch (HPS) inoperable
● Faulty TXV
● Faulty control board
● Check and clean condenser coil and/or lines
● Check the opening of stop valve, should be full open;
Repair/replace if needed
● Check refrigerant charge level; Adjust if needed
● Check outdoor fan motor & wiring; Repair/replace if
needed
● Check the adjustment of TXV; Replace if needed
● Replace control board if necessary
14 -
HI PRESSURE M
(M = MINOR)
This error indicates the equipment is
experiencing frequent high pressure
faults. Control has determined continued
operation is acceptable. This indicates
they may be a problem with the
equipment.
● Blocked/restricted condenser coil and/or
lines
● Stop valve not completely open
● Overcharge
● Outdoor fan not running
● High pressure switch (HPS) inoperable
● Faulty TXV
● Faulty control board
● Check and clean condenser coil and/or lines
● Check the opening of stop valve, should be full open;
Repair/replace if needed
● Check refrigerant charge level; Adjust if needed
● Check outdoor fan motor & wiring; Repair/replace if
needed
● Check the adjustment of TXV; Replace if needed
● Replace control board if necessary
15 E15 LOW PRESSURE C
This error indicates the equipment is
experiencing frequent low pressure
faults.
● Stop valve not completely open
● Restriction in refrigerant lines
● Low refrigerant charge
● Refrigerant leak
● Low pressure sensor inoperable or not
properly connected
● Faulty TXV
● Indoor fan motor not functioning correctly
● Faulty control board
● Check the opening of stop valve, should be full open;
Repair/replace if needed
● Check for restrictions in refrigerant line;
Repair/replace if needed
● Check refrigerant charge level; Adjust if needed
● Test for system leaks using leak test procedure
● Check the connection to low pressure sensor;
Repair/replace if needed
● Check the adjustment of TXV; Replace if needed
● Check indoor blower motor & wiring; Repair/replace if
needed
● Replace control board if necessary
16 - LOW PRESSURE M
This error indicates the equipment is
experiencing frequent low pressure
faults. Control has determined continued
operation is acceptable. This indicates
they may be a problem with the
equipment.
● Stop valve not completely open
● Restriction in refrigerant lines
● Low refrigerant charge
● Refrigerant leak
● Low pressure sensor inoperable or not
properly connected
● Faulty TXV
● Indoor fan motor not functioning correctly
● Faulty control board
● Check the opening of stop valve, should be full open;
Repair/replace if needed
● Check for restrictions in refrigerant line;
Repair/replace if needed
● Check refrigerant charge level; Adjust if needed
● Test for system leaks using leak test procedure
● Check the connection to low pressure sensor;
Repair/replace if needed
● Check the adjustment of TXV; Replace if needed
● Check indoor blower motor & wiring; Repair/replace if
needed
● Replace control board if necessary
17 E17 COMPRESSOR FAIL
This error indicates the equipment is
experiencing frequent compressor faults.
● Stop valve not completely open
● The compressor wire is lost phase
● Compressor motor failure
● Check the opening of stop valve, should be full open;
Repair/replace if needed
● Check the wire between control board and
compressor
● Inspect compressor motor for proper function;
Replace if necessary
18 E18 OD CTRL FAIL2
Indicates the control board may need to
be replaced.
● Outdoor fan motor not connected properly
● Faulty control board
● Noise
● Check wiring from Outdoor fan motor to control board;
Repair if needed
● Replace control board if necessary
19 E19 PCB OR FAN FAIL
This error indicates the equipment is
experiencing frequent outdoor control
board and/or motor faults.
● Obstruction in fan rotation
● Outdoor fan motor not connected properly
● Outdoor fan not running
● Faulty control board
● Noise
● Check and clean grille of any debris
● Check wiring from Outdoor fan motor to control board;
Repair if needed
● Check outdoor fan motor & wiring; Repair/replace if
needed
● Replace control board if necessary
21 E21 EEV CTRL FAIL
This error indicates the equipment is
experiencing frequent low discharge
superheat faults.
● Thermistors inoperable or improperly
connected
● Faulty TXV
● Faulty control board
● Check the connection to thermistors; Repair/replace if
needed
● Check the adjustment of TXV; Replace if needed
● Replace control board if necessary
22 E22 HI DISCH TEMP
This error indicates the equipment is
experiencing frequent high discharge
temperature faults.
Discharge thermistor is not put on
correct position.
● Discharge thermistor inoperable or
improperly connected
● Discharge thermistor is put on incorrect
position or off
● Low refrigerant charge
● Overcharge
● Faulty compressor
● Check discharge thermistor resistance and
connections; Repair/replace as needed
● Check discharge thermistor position
● Check refrigerant charge level; Adjust if needed
● Check the compressor; Repair/replace if needed
23 E23 DISCH TEMP FAIL
The control has detected that the
Discharge Temperature Sensor is out of
range.
● Discharge thermistor inoperable or
improperly connected
● Check discharge thermistor resistance and
connections; Repair/replace as needed
24 E24 HPS OPEN
The high pressure switch is open. ● High pressure switch (HPS) inoperable
● Check resistance on HPS to verify operation; Replace
if needed
25 - AIR SENSOR FLT
The outdoor air temperature sensor is
open or shorted. ● Faulty outdoor thermistor sensor or
disconnect
● Inspect and test sensor; Replace sensor if needed
26 E26 PRESSURE SENSOR
The control determines that the pressure
sensor is not reacting properly. ● Low pressure sensor inoperable or not
properly connected
● Check the connection to low pressure sensor;
Repair/replace if needed
28 E28 COIL TEMP FAIL2
The control has detected that the
Outdoor Coil Temperature Sensor is out
of range.
● Outdoor coil thermistor inoperable or not
properly connected
● Check the connection to OD coil thermistor;
Repair/replace if needed
29 E29 LIQ TEMP FAIL
The control has detected that the Liquid
Temperature Sensor is out of range. ● Liquid thermistor inoperable or not properly
connected
● Check the connection to liquid thermistor;
Repair/replace if needed