Troubleshooting - GeneralAire RMB35 Mode D'emploi

PROBLEM CAUSE
RMB will not Wrong connection at
operate humidifier.
Faulty power supply writing.
Humidifier not calling for
operation
Faulty RMB Wiring or wrong
RMB.
Faulty RMB Blower
Noises from RMB Steam gurgling in steam hose Correct kink, sag or dip in steam hose
Steam gurgling in steam
manifold
Water dripping from Loose hose connection.
RMB
RMB not level
RMB recessed behind drywall. See that mounting flanges are on front
Grille modified
Damaged steam manifold.

8. TROUBLESHOOTING

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SOLUTION
Connect power supply to F and INT
terminal on back of control module.
Check continuity through field wiring.
See that fan symbol shows on LCD
display.
See that jumper installed in AB-AB
terminals.
See that humidistat is demanding
humidity.
Check for correct voltage at blower
motor.
Test Blower motor. Replace if necessary.
where condensate has pooled.
Correct kink in condensate hose.
Correct elevated part of condensate
hose, water only flows downhill.
See that RMB is level, left-right/front-back
Check steam hose, condensate hose and
stainless fitting connections.
See that RMB is level, left-right/front-
back.
face of drywall, not behind drywall.
See that original grill is in use unchanged.
Damaged steam manifold.
Inspect manifold for crack or broken
weld, replace if necessary.
Inspect o-ring joint between stainless
fitting and manifold for damage or
missing parts.
Part No. 5500-33 Rev B
Code: +03U400150 REV 4.2 20210708
ENG
Tab. 1.c