Faults - Rheem 325 II Series Service Instructions Manual

Faults

H
Is the fault
I
YES
Fault 9?
NO
J
D
K
L
TM077: 325 & 410 Series II Heat Pump Service Instructions
Rev 00: Issued April 2014
This document is stored and maintained electronically by
Compressor temperature <
evaporator temperature + 12°C?
Refrigeration System Fault
NO
HX water outlet
temperature > 73°C?
Water Flow Fault
NO
Compressor
temperature > 110°C?
Compressor Over-Temperature Fault
NO
Tank sensor fault?
NO
Evaporator sensor fault?
NO
Compressor sensor fault?
NO
HX water outlet sensor fault
Compressor temperature > 60°C
for more than 90 minutes
Compressor Cooling Fault
Reset button pressed
at any stage
Fault 9
YES
Red LED – 9 flashes
First or second
consecutive
occurrence
of Fault 9?
NO
C
Fault 8
YES
Red LED – 8 flashes
Fault 1
YES
Red LED – 1 flash
Fault 4
YES
Red LED – 4 flashes
Fault 5
YES
Red LED – 5 flashes
Fault 6
YES
Red LED – 6 flashes
Fault 7
Red LED – 7 flashes
Fault 3
Red LED – 3 flashes
B
Service. All printed copies are deemed uncontrolled.
FIRMWARE: V5.8
NOTE
If Fault 9 has occurred, the
refrigerant high pressure
switch may also have tripped.
Store Fault Code in
YES
controller memory
F
Store Fault Code in
controller memory
M
21