Rheem 862 27 Series User Manual

TM049 27L Continuous Flow Service Instructions
REV AL – Issued April 2019
This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.
61
Fault Finding Tests 26 - 29
Test 26 & 27
Test 28 & 29
Conduct test with water flowing
Using a multimeter set on the DC volts scale,
measure the voltage at connector N whilst
plugged into PCB.
Conduct test with water flowing
Using a multimeter set on the DC volts scale,
measure the voltage at connector M whilst
plugged into PCB.
Test
Check Point
Measured Value
Test
Check Point
Measured
Value
26
7 Red - 8 Black
DC8 – 16V
28
7 Red - 8 Black
DC8 – 16V
27
2 White - 8
Black
DC8 – 16V
29
2 White - 8
Black
DC8 – 16V
Error Code 71
Gas Inlet Solenoid Valve (GISV) fault.
Error Code 71
Check wiring, if intact replace the
control PCB.
NO
Is there voltage at the GISV?
TEST 9
Replace the gas valve assembly.YES
Is multi-pin plug fully inserted
into terminal W on control
PCB?
YES
Ensure multi-pin plug is fully
inserted.
NO
Error Code 72
Follow the same procedure as used in Error Code 51.
BK R YBR G W
4 5 6 87
R
BK
BK
R
4
2
6
5
P
Y
1
2
3
4
BL
O
W
BR
R
BK
4
3
1
8
7
6
5
N
9
Y
G
5
6
1
2
3
4
SW1 SW2
1
3
SW3SW2SW1
BL
O
W
BR
R
BK
Y
G
4
3
1
8
7
6
5
M
G
Y
9
O
N
6
7
8
1
2
BK
R
BR
W
4
3
2
W

Rheem 862 27 Series Specifications

General

Brand	Rheem
Model	862 27 Series
Category	Water Heater
Language	English