Rheem IKONIC RTGH-SR11i User Manual

IKONIC Tankless Water Heater Service Manual
47
ERROR A032
EXPLANATION
Heat Exchanger Thermistor Malfunction.
Diagnostic Check
Heat Exchanger Thermistor.
ERROR CODE DIAGNOSTICS
Turn Power OFF
Clean scale build-up on heat exchanger
thermistor.
Operate unit. If Error Code A032 appears:
Replace heat exchanger thermistor.
Replace wiring harness for connector "I".
Remove control board bracket to access inlet
thermistor Molex near blower motor.
(How to Remove: Section 1).
Locate & separate YELLOW Molex. Check
resistance across White wires on female end
of Molex.
Reconnect Molex.
Check resistance on connector "I" between #5
wire (Black) & #11 wire (Yellow)
Reinsert connector "I".
Operate the unit.
If error code "A032" appears:
REPLACE CONTROL BOARD.
The resistance is
7K - 23K Ω?
The resistance is
7K - 23K Ω?
No
No
Yes
Yes

Rheem IKONIC RTGH-SR11i Specifications

General

Brand	Rheem
Model	IKONIC RTGH-SR11i
Category	Water Heater
Language	English