Honeywell HM506 Humidifier User Manual


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Installation Guide
69-2285EFS—03 20
TROUBLESHOOTING
No. of
Red
Light
Blinks
Fault Description Auto-
Recoverable?
Steps to Fix
Performed Only by Professional HVAC Technician
12 Temperature of the
electronic circuit
board is too high.
Yes,systemwill
return to “Ready”
if fault no longer
exists in 1 hour.
• Ensureventilationholesinthecoverareclearofobstruction,
and that 1 foot of clearance is maintained around the cover’s
vent holes.
• EnsuretheTrueSTEAMisinstalledinalocationwith
conditioned air 32°F (0°C) to 104°F (40°C).
• Turnhumidistatoffandallowtimeforelectronicboardto
cool. This could take up to 2 hours.
• TurnhumidistatonandpressGObutton.
• ConfirmhumiditycallstartsbyHUMIDIFYINGlightturning
on.
• Allowunittorunandcheckforsteamleaksaroundtankand
ventilation holes.
• Iffaultreturns,replaceTrueSTEAM.
13 Tank failed to drain. No • Waterintankmaybehot(>140ºF[60ºC]).
• PressandholdtheDRAINbutton.
• Ifunitfailstodrain,waitforwaterintanktocool.Ensure
tank water is cool before proceeding.
• Oncecool,followtankcleaningsteps(pages15–17).
• ReassembletankandpresstheGObutton.
• Iffaultpersists,replacethesolenoidvalve(#50027997-001).
14 Heater failed to boil
water.
Yes,systemwill
return to “Ready”
if fault no longer
exists in 1 hour.
• Followtankcleaningsteps(pages15–17).
• ReassembletankandpresstheGObutton.
• Iffaultreturns,replaceTrueSTEAM.
15 No Airflow. Yes,systemwill
return to “Ready”
if fault no longer
exists in 1 hour.
• EnsureDifferentialPressureSwitchisinstalledandwired
correctly. See the Wiring section for proper wiring.
• UnplugTrueSTEAMandremovecover.
• EnsureDIPswitchesaresetcorrectly.(DIP4down,DIP5
up.)
• Iffaultpersists,replacetheairprovingaccessorybeing
used.
17 Power to the wireless
adapter overloaded
Yes,systemwill
return to “Ready”
if fault no longer
exists in 1 hour.
• UnplugTrueSTEAMandremovecover.
• VerifywiringbetweenTrueSTEAMandthewirelessadapter.
• EnsureDIPswitchesaresetcorrectly.(DIP3up.AlsoDIP4
up if TrueSTEAM R and C aren’t wired.)
• Iffaultpersists,replacewirelessadapter.
18 Wireless communi-
cation from wireless
adapter failed.
Yes,systemwill
return to “Ready”
after 1 minute.
• UnplugTrueSTEAMandremovecover.
• VerifywiringbetweenTrueSTEAMandthewirelessadapter.
• VerifyPrestigeisoperatingcorrectly.
• Iffaultpersists,replacewirelessadapterandre-enroll
connection to Prestige.
Cleaning
Required
on
Tank was slow to
drain during last
automatic cleaning
cycle.
N/A • FollowthecleaningstepsintheMaintenancesectionofthis
manual.
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