Electrical Troubleshooting Chart - Friedrich WallMaster WS07A10D Service Manual

Troubleshooting Chart — Heating Troubleshooting Chart — Heating Troubleshooting Chart — Heating Troubleshooting Chart — Heating Troubleshooting Chart — Heating Troubleshooting Chart — Heating
Troubleshooting Chart — Heating Troubleshooting Chart — Heating Troubleshooting Chart — Heating Troubleshooting Chart — Heating
Low Suction Pressure
Low Airflow
Across Outdoor Coil
Refrigerant System
Restriction
Undercharged
Moisture in System
Electrical Electrical
Electrical

Electrical Troubleshooting Chart

Electrical
Present at the Solenoid
Is the Solenoid Coil Good?
Replace the Reversing Valve
REFRIGERANT SYSTEM
DIAGNOSIS – HEATING
High Suction Pressure
Outdoor Ambient Too
High
for Operation in Heating
Reversing Valve not
Fully Seated
Overcharged
Defective Compressor
Troubleshooting Chart Troubleshooting Chart Troubleshooting Chart
Troubleshooting Chart
HEA HEA
HEA HEAT PUMP HEA
Is Line Voltage
YES
YES
Reversing Valve Stuck
Low Head Pressure
Refrigerant System
Restriction
Reversing Valve not
Fully Seated
Undercharged
Defective Compressor
T PUMP T PUMP
T PUMP T PUMP
HEAT PUMP
SYSTEM COOLS WHEN
HEATING IS DESIRED.
NO
NO
High Head Pressure
Outdoor Ambient Too High
For Operation In Heating
Low Airflow Across
Indoor Coil
Overcharged
Noncondensables (air) in
System
Is the Selector Switch
Set for Heat?
Replace the Solenoid Coil
55