Rheem RXIH-AS09A Guía de instalación descargar pdf (Pagina 23)

Humidification System

 21 69-2307—01

No. of

Red

Light

Blinks

Fault Description Auto-

Recoverable?

Steps to Fix

To be Performed by Professional HVAC Technician Only

8–11 The backup weld

monitor input is active

when the backup

heater relay is off.

No •Replacetheunit.

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humidifier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.

• TurnhumidistatonandpressRESET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steamispresent,replacethehumidifier.

13 Tank failed to drain. No •Waterintankmaybehot(>140ºF[60ºC]).

•PresstheEMPTY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23–25).

• ReassembletankandpresstheRESETbutton.

• Iffaultpersists,replacethesolenoidvalve.

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23–25).

• ReassembletankandpresstheRESETbutton.

• Iffaultreturns,replacetheheatingelementwiththe

applicable wattage replacement part.

15 No Airflow. Yes •EnsureDifferentialPressureSwitchisinstalledandwired

correctly. See the Wiring section for proper wiring.

•EnsureDIPswitchesaresetcorrectly.

•Iffaultpersists,replaceAFSand/orunit.

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Rheem RXIH-AS09A Guía de instalación Pagina 23

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