Rheem 325 II Series Service Instructions Manual page 44

Fault Finding: Chart 11.6
11.6
Red LED: 6 flashes
Fault 6
Compressor Sensor Fault
Is the compressor sensor firmly
plugged into the correct socket on
the controller?
YES
Is the compressor sensor
working?
TEST 1
YES
Fault Finding: Chart 11.7
11.7
Red LED: 7 flashes
Fault 7
Heat Exchanger Water Outlet Sensor Fault
Is the heat exchanger water outlet
sensor firmly plugged into the
correct socket on the controller?
YES
Is the heat exchanger water outlet
sensor working?
TEST 1
YES
TM077: 325 & 410 Series II Heat Pump Service Instructions
Rev 00: Issued April 2014
This document is stored and maintained electronically by
NO
NO
NO
NO
Service. All printed copies are deemed uncontrolled.
1. Ensure the sensor is firmly plugged
into the correct socket.
2. Ensure that the sensor plug pins are
clean and making firm electrical
contact.
Replace the sensor.
Replace the controller.
1. Ensure the sensor is firmly plugged
into the correct socket.
2. Ensure that the sensor plug pins are
clean and making firm electrical
contact.
Replace the sensor.
Replace the controller.
44