Heat Controller RAH-123G TroubleshootingBeforeCallingService, When Service Is Required

Heat Controller, Inc. Room Air Heat Pump with R-410A Owner’s Manual

WARNING

TroubleshootingBeforeCallingService

The following is a list of problems that are sometimes encountered when using a room air conditioner. Possible cause and suggested remedies are given for each problem.

If the problem cannot be fixed using the suggested remedies, see WHEN SERVICE IS REQUIRED section.

PROBLEM	POSSIBLE CAUSE	SUGGESTED REMEDY
UNIT WILL NOT RUN	No power to unit	Push reset button on power cord.
		Set Fan Control to any position other than OFF.
		Make sure plug is firmly seated in outlet.
		Check for blown fuses, tripped circuit breakers.
LITTLE OR NO COOLING
LITTLE OR NO HEATING	Obstructed indoor or outdoor airflow	Remove obstruction from indoor grille or outdoor louvers.
(fan and compressor run)	dirty air filters	dirty air filter. Clean or replace, as needed.
	Unit undersized for application	Check with dealer to determine proper capacity unit for application.
LITTLE OR NO COOLING	Temperature Control not set properly	For cooling, turn Temperature Control to cooler setting.
LITTLE OR NO HEATING		For heating, turn Temperature Control to warmer setting.
(only fan runs)
NOISY UNIT	Front panel may be loose	Tighten any loose parts.
	Weak building construction	Provide additional support for unit.
	Water hitting fan blade	Normal in high humidity. Stop noise by removing drain plug or
		adding condensate drain cup.
	Unit oversized for application:	Check with dealer to determine proper capacity unit for application.
	compressor cycles on and off frequently
MOUNTING SUPPORT NOT	Storm window frame installed in window	Some models require removal of storm window frame before
INSTALLEd		installation.
FROST ON INdOOR COIL	dirty air filter	Clean air filter by vacuuming or washing with water and mild soap.
	Normal for low outdoor temperatures	Turning Temperature Control to warmer setting reduces occurrence
		and duration of frost.
FROST ON OUTdOOR COIL	Normal for outdoor temperatures at or	Call for service only if unit does not heat room and you have
(heat pump models only)	below 45°F	checked all problems and remedies listed under LITTLE OR NO
		HEATING.
OdORS IN COOLING	Mold, mildew, or algae formation on wet	To reduce algae growth, use algaecide tablet in base pan; remove
	surfaces	drain plug; add condensate drain cup and hose. Thoroughly clean
		unit.
OdORS IN HEATING	Normal for first time electric heater is	Caused by dust accumulation during unused months.
	used each season	Odor dissipates quickly with heater use.

When Service Is Required

Your room air conditioner dealer can give you the name of Call 866-557-1865 for service and warranty. Help them your nearest Authorized Service Center. Help them give giveyou promptyou promptserviceserviceby providing:by providing:

•An accurate description of problem.

•Compllete model,andserial,serialandnumbermanufacturingfrom (P) num- serialb rs fromplateserial plate.

•Proof of purchase (sales receipt) upon request. Repair by unauthorized servicer that results in subsequent failure of unit voids warranty. Warranty details are con- tained in warranty certificate enclosed with unit.

Keep accurate records of service calls, including what was done, servicer’s name, and date of service.

AnyQuestions?

Most questions can be answered by your local dealer. If you have other matters that cannot be resolved locally, or you need additional information regarding other heating and cooling products offered by us - please call:

CONSUMERHeat INFORMAController,TIONIncLINE.

Customer or Technical Service Department

Tel: (86-756) 8617555 (Customer Service Center)

517-787-2100

Web Site: http://www.gree.com.cn

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