Rheem 834 Series Service Instructions Manual page 30

Fault Finding Chart 1.1
Heater not operating
1.1
(continued)
Does hydroelectric
generator generate
1.1 ~ 1.7 VDC?
(TEST 12)
YES
Does temp controller
supply 1.1 ~ 3.7 VDC
to water flow sensor
(TEST 13)
YES
Does water flow
sensor provide pulse
> 21 Hz? (TEST 14)
TM081 Rheem 834 Series Hydroelectric CFGWH Service Instructions
REV: AA Issued: 22/02/17
This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed uncontrolled.
NO
NO
NO
YES
Replace hydroelectric
generator / flow sensor
assembly.
Replace temperature controller.
Replace hydroelectric
generator / flow sensor
assembly.
Replace temperature controller.
30