To Next Page

To Previous Page

TM031 Integrity 18, 20, 24, 26L Service Instructions REV: B

D.O.I: February 2008

This document is stored and maintained electronically by Service. All printed copies not bearing this statement in RED are deemed “uncontrolled”

Fault Finding Chart 3

Ignition and Temperature Control

Is error

code 24

displayed?

YES

Operation switch

malfunction

*Is error

code 31, 32, 33 or

34 displayed?

Thermistor

malfunction

Is error

code 61

displayed?

Fan speed

abnormal

YES

Test 7

Is error

code 24 shown on

error code display

also?

Replace the remote controller.NO

Also when

Min/Max button is

pressed?

YES

Release the Min/Max buttons and

re-open a hot tap.

YES

Replace the PCB assembly.

YES

*Is the

resistance of the

relevant thermistor

normal?

*Thermistor error codes

31 = Water inlet thermistor

32 = Heat exchanger thermistor

33 = Hot water outlet thermistor

34 = Ambient air thermistor

YES

Replace the relevant thermistor.NO

voltage being

supplied to the fan

motor?

Replace the PCB assembly.NO

Test 9

Test 8

the fan motor

rotating?

YES

Is a

pulse signal being

sent from the fan

motor?

YES

Replace the PCB assembly.YES

Test 10

3.1

Replace the fan motor assembly.

Brand	Rheem
Model	871020
Category	Water Heater
Language	English

Rheem 871020 User Manual

Table of Contents

Questions and Answers:

Rheem 871020 Specifications

Related product manuals