Friedrich WallMaster WCVT12B30A handleiding

Airco

Friedrich

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Handleiding

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Problem Possible Cause Possible Solution

Unit does not operate.

The power button is off or the set point

temperature is satisﬁed.

Push the power button on and raise or lower temperature setting (as ap-

propriate) to call for operation.

The LCDI power cord is unplugged.

Plug into a properly grounded 3 prong receptacle. (See Electrical Rating

Tables, Figure 206) for the proper receptacle type for your unit.

The LCDI power cord has tripped (Reset

button has popped out).

Press and release RESET (Listen for click. Reset button latches and re-

mains in.) Check that the green LED light is on to resume operation.

The circuit breaker has tripped or the

supply circuit fuse has blown.

Reset the circuit breaker, or replace the fuse as applicable. If the prob-

lem continues, contact a licensed electrician.

There has been a local power failure. The unit will resume normal operation once power has been restored.

Unit Trips Circuit Breaker or

Blows Fuses.

Other appliances are being used on the

same circuit. (115 Volt only)

The unit requires a dedicated outlet circuit, not shared with other appliances.

An extension cord is being used. Do NOT use an extension cord with this or any other air conditioner.

The circuit breaker or time-delay fuse is

not of the proper rating.

Replace with a circuit breaker or time-delay fuse of the proper rating. (See

Electrical Rating Tables, Figure 206) for the proper circuit breaker/ fuse rat-

ing for your unit. If the problem continues, contact a licensed electrician.

LCDI Power Cord Trips

(Reset Button Pops Out).

The LCDI power cord can trip (Reset

button pops out) due to disturbances

on your power supply line.

Press and release RESET (Listen for click. Reset button latches and remains

in.) Check that the green LED light is on to resume normal operation.

Electrical overload, overheating, or cord

pinching can trip (Reset button pops out)

the LCDI power cord.

Once the problem has been determined and corrected, press and re-

lease RESET (Listen for click. Reset button latches and remains in.) to

resume normal operation.

NOTE: A damaged power supply cord must be replaced with a new power supply cord obtained from the product

manufacturer and must not be repaired.

Does not cool or only cools

slightly

Undersized unit Refer to industry sizing chart.

Indoor ambient thermistor open or

shorted

See diagnostic codes and replace thermistor if needed.

Dirty ﬁlter Clean as recommended in Owner’s Manual

Dirty or restricted condenser or evapo-

rator coil

Use pressure wash or biodegradable cleaning agent to clean

Poor air circulation

Adjust discharge louvers. Use high fan speed

Fresh air or exhaust air door open

Close doors. Instruct customer on use of this feature

Low capacity - undercharge Check for leak & make repair

Compressor not pumping properly

Check amperage draw against nameplate. If not conclusive, make pressure

test

Unit does not run

Fuse blown or circuit tripped

Replace fuse, reset breaker. If repeats, check fuse or breaker size. Check for

shorts in unit wiring & components.

Loose or disconnected wiring control

board or other components

Check wiring & connections. Reconnect per wiring diagram.

The LCDI power cord has tripped (Reset

button has popped out).

Press and release RESET (Listen for click. Reset button latches and re-

mains in.) Check that the green LED light is on to resume operation.

Evaporator coil freezes up

Dirty ﬁlter Clean ﬁlter (see Routine Maintenance)

Restricted airﬂow Check for dirty or obstructed coil. Clean coil (refer to routine Maintenance)

Inoperative thermistor Check Diagnostic Codes. Check Thermistors and replace as necessary.

Short of refrigerant De-ice coil & check for leak

Inoperative fan motor Test fan motor & replace if inoperative

Partially restricted capillary tube De-ice coil. Replace capillary tube

TROUBLESHOOTING

Basic Troubleshooting

Figure 605

Bekijk gratis de handleiding van Friedrich WallMaster WCVT12B30A, stel vragen en lees de antwoorden op veelvoorkomende problemen, of gebruik onze assistent om sneller informatie in de handleiding te vinden of uitleg te krijgen over specifieke functies.