TROUBLESHOOTING

If your air conditioner does not work properly, first check the following points before requesting service. If it still does not work properly, contact your dealer or service center.

Trouble

Possible Cause

 

Remedy

 

 

 

 

Air conditioner does

1. Power failure.

1.

Restore power.

not run at all.

2. Leakage circuit

2.

Contact service

 

 

breaker tripped.

 

center.

 

3. Line voltage is too

3.

Consult your

 

low.

 

electrician or

 

 

 

dealer.

 

4. Batteries in remote

4.

Replace batteries.

 

control unit have

 

 

 

run down.

 

 

 

 

 

OPERATION lamp

Trouble in system.

Contact service

blinks and air

 

center.

conditioner does not

 

 

 

operate.

 

 

 

 

 

 

Compressor runs but

Obstruction in front of

Remove obstruction.

soon stops.

condenser coil.

 

 

 

 

 

 

Poor cooling (or

1. Dirty or clogged air

1.

Clean air filter to

heating) performance.

filter.

 

improve airflow.

 

2. Heat source or

2.

Eliminate heat

 

many people in

 

source if possible.

 

room.

 

 

 

3. Doors and/or

3.

Shut them to keep

 

windows are open.

 

the heat (or cold)

 

 

 

out.

 

4. Obstacle near air

4.

Remove it to ensure

 

intake or air

 

good airflow.

 

discharge port.

 

 

 

5. Thermostat is set

5.

Set the temperature

 

too high for cooling

 

lower (or higher).

 

(or too low for

 

 

 

heating).

 

 

 

6. (Outdoor

6.

(Consult your

 

temperature is too

 

dealer or try to use

 

low for heating.)

 

another heat

 

 

 

appliance.)

 

 

 

Clicking sound is

In heating or cooling

This is normal, and

heard from the air

operation, any plastic

the sound will soon

conditioner.

parts may expand or

disappear.

 

shrink due to a

 

 

 

sudden temperature

 

 

 

change. In this event,

 

 

 

a clicking sound may

 

 

 

occur.

 

 

 

 

 

 

OPERATION lamp

The use of cellular

1.

Turn off the power

lights but outdoor unit

phones near the air

 

then restart the air

will not run.

conditioner may cause

 

conditioner after a

 

disturbance to its

 

while.

 

normal operation.

2.

Consult your dealer.

 

 

 

 

 

TIMER lamp blinks

FLOAT SWITCH is

Contact service

(3 sec. interval) and

actived.

center.

air conditioner does

 

 

 

not operate.

 

 

 

 

 

 

 

OPERATING RANGE

The air conditioner is operable within the temperature ranges as listed below:

 

Temperature

Indoor air

Outdoor air

 

 

temperature

temperature

 

 

 

 

 

COOLING

Max.

95

°F DB /

115 °F DB

 

 

71

°F WB

 

 

 

 

 

 

 

 

Min.

67

°F DB /

For Single use

 

 

57

°F WB

0 °F DB

 

 

 

 

 

 

 

 

 

For Multiple

 

 

 

 

use

 

 

 

 

67

°F DB

 

 

 

 

 

 

HEATING

Max.

80

°F DB /

75

°F DB /

 

 

67

°F WB

65

°F WB

 

 

 

 

 

Min.

– DB / – WB

0 °F DB

 

 

 

 

 

 

WIRED REMOTE CONTROLLER

Aseparately sold wired remote controller (STK-RCS- 7TWSU, 7TWSUA) used with this air conditioner is also available. If you wish to use the wired remote control function, you will need to purchase the optional wired remote controller.

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Sanyo XMHS0972, XMHS1272 service manual Max Min For Single use For Multiple Use

XMHS1272, XMHS0972 specifications

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