Rheem 834 Series Service Instructions Manual page 28

Fault Finding Chart – Red LED Continuously Flashing
Water throttle valve malfunction
Red LED
(Water flow rate > 5.9 L/m during
Continuously Flashing
Are all wiring plugs
and wiring connectors
firmly connected?
YES
Replace water throttle
valve.
Fault Finding Chart – Green LED Continuously Flashing
Green LED Battery disconnected or battery
Continuously Flashing
Is correct type of
battery installed in
temp controller?
Battery is 3.7 VDC lithium
YES minimum 600 mA/h
Is battery correctly
installed in battery
holder?
+ end of battery in
down position
YES
Is battery voltage
< 3.1 VDC?
(TEST 11)
YES
Replace battery.
Does green LED
cease flashing?
YES
Faulty / flat battery
replaced. Continue to
check generator and
battery charging functions.
Does hydroelectric
generator generate
1.1 ~ 1.7 VDC?
(TEST 12)
YES
Do batteries continue
to go flat?
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.
cold start function)
Does red LED
continuous flash fault
voltage too low (< 3.1 VDC)
ion rechargeable
YES
Is new battery
NO voltage < 3.1 VDC?
NO
NO
NO
persist?
YES
NO
NO
NO
NO
(TEST 11)
NO
YES
Firmly connect wiring
connector(s) and/or plug(s).
Fault rectified.
Replace temperature controller.
Install correct type of battery.
Correctly install battery.
Replace temperature controller.
Replace hydroelectric
generator / flow sensor
assembly.
Replace temperature controller
(faulty battery charging
function).
Generator and battery charging
functions ok.
28