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Rinnai REU-VRM2632WC Service Manual

Rinnai REU-VRM2632WC
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Infinity REU-VRM3237WG / HD250e REU-VRM3237WC - 22 - Issue 1 - 19/05/09 ©Rinnai
5. Flame Rod Circuit (E
1
)
Operate appliance and check flame rod (E
1
).
Check Dc current flow between yellow flame rod wire and earth is over DC1µA.
D
isconnect flame rod terminal (E
1
), and re-operate appliance.
“72” indicated:- Proceed to c).
“72” is not indicated:- check for electrical leaks from the flame rod circuit.
Measure voltage between flame rod terminal (E
1
) and appliance earth.
Normal: >1M
If normal, Check all power inputs into PCB. If power inputs okay replace PCB.
If resistance abnormal replace flame rod.
a) Remove the Flame Rod terminal (E
1
) repeat appliance operation procedure, if “72” is
displayed again check the Hot water outlet thermistor.
If “72” is not displayed check current leakage from the Flame Rod.
b) Measure voltage between body earth and Flame Rod terminal (E
1
).
Normal: voltage AC5 ~150V
If normal, check all power in
puts into PCB. If power inputs okay replace PCB.
Faulty: Replace Flam
e Rod.
c) Check if the Flame Ro
d is securely fitted.
Normal: Check all power inputs into
PCB. If power inputs okay replace PCB.
Faulty: Adjust the fitting of the Flame Rod.
Che
ck all appliance earth connections are clean and secure.
6. Earth Lead
Confirm the Earth Lead connection is secure (at round terminal), and check for broken or short
circuit
s in the lead.
If normal, ch
eck other possible causes for flame failure (is gas valve open?, is the filter
blo
cked? etc.).
If faulty, tighten the earth lead, PCB, power cord and surge arrester.

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Rinnai REU-VRM2632WC Specifications

General IconGeneral
BrandRinnai
ModelREU-VRM2632WC
CategoryWater Heater
LanguageEnglish

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