Defrost Mechanical Checks Flowchart - Fujitsu FO14R Series Installation Instructions Manual

DIAGNOSTICS

Defrost Mechanical Checks Flowchart

No
Defrost
Reversing Valve
Stuck
No Defrost Timer
Control Power
Failed Defrost
Control
Failed Defrost Relay
During Defrost
Loose Defrost
Sensor
36
Defrost
System
Incomplete
Defrost
Poor Sensor
Location
Wrong Defrost Control
Timer Setting
Failed Defrost Relay
(doesn't stop O.D. Fan)
Thermostat Satisfies
in Defrost
Excessive
Defrost
Wrong Defrost Control
Timer Setting
Poor Sensor
Location
Low System
Charge
Wind
Affecting