Rheem P17 Series User Manual

62
Thermostat Satisfies
During Defrost
Failed Defrost Relay
on Control Board
(Doesn’t stop O.D. fan)
Incomplete
Defrost
Excessive
Defrost Time
No
Defrost
Sensor in Wrong
Location
Low System
Charge
Wind Affecting
Defrost
Sensor in Wrong
Location
Wrong Defrost
Timer Setting
Reversing Valve
Stuck
Welded Reversing Valve
Relay on Control Board
Loose Defrost
Sensor
Check Coil
Sensor Connector
Defrost
System
Inadequate Indoor
Airflow
Inadequate Indoor
Airflow
Dirty or Restricted
Outdoor Coil
Bad Outdoor
Motor or Fan
Dip Switch #1 on
SW2 is Off
Diagnostics
9.0 DIAGNOSTICS & TROUBLESHOOTING
9.9 Defrost Mechanical Checks Flowchart

Rheem P17 Series Specifications

General

Brand	Rheem
Model	P17 Series
Category	Heat Pump
Language	English