Troubleshooting

Before requesting repair work

Check out the following points before requesting repair work.

The scheduled operation is not performed even though the set time is reached.

The scheduled operation has not been set.

A special holiday has been set.

The current clock time setting is blinking.

There has been a prolonged power outage. Re-set the current clock time and current day of the week.

There is no response when the keys are operated.

The restriction has been set for the key operations. Check the program.

The clock is not displayed when the power is turned on.

The timer operation function or follower remote controller has been set.

The setting for not displaying the clock has been established.

<Caution> If the problem persists even after checking out the above points, stop operating the air conditioner, set the ground fault interrupter to off, and give the model number and details of the symptoms to your dealer. Do NOT attempt to remedy the

problem yourself due to the dangers involved.

Trouble diagnosis

<<Checks and inspections>>

When trouble has occurred in the air conditioner, an inspection code and the number of the indoor unit concerned blink on the numeric display.

Inspection code

Address of indoor unit

 

where the trouble has

 

occurred

Inspection codes are displayed only during operation.

If the display has gone off, check the trouble by following the steps in “Checking the trouble history” below.

<<Checking the trouble history>>

When trouble has occurred in the air conditioner, the trouble history can be checked by following the steps below. (Up to four events are stored in the trouble history.)

The trouble history can be checked whether the air conditioner is running or shut down.

1Push the button (42) and button (43) together for at least 4 seconds.

The numeric displays blink, and the servicing

display and inspect display light.

 

Numerical order of

Inspection code

trouble history events

 

 

 

 

 

 

 

 

 

 

 

G￿￿

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Address of indoor unit where

 

 

 

 

 

the trouble has occurred

￿R￿

2

Push the TEMP

or

 

 

 

 

 

button (49).

 

 

 

 

 

 

 

 

 

 

￿

 

• Each time one of these buttons is pushed, the

 

 

trouble history events are displayed in numerical

 

 

order.

 

 

 

 

 

￿U￿￿

 

 

 

 

 

 

 

 

 

 

 

The “01” code on the numeric display indicates the

 

 

latest event, and “04” the earliest event.

 

 

* Do not push the

 

button (41) since￿￿Pall the

 

 

 

 

 

 

 

 

 

 

 

￿

 

 

 

trouble history events of the indoor units will be

 

 

 

deleted.

 

 

 

 

 

 

￿A

 

3 After checking the events, push the

 

button

￿

 

 

 

(43) to return to the original screen.

 

 

 

Concerning trouble occurring in the￿d￿￿remote

controller

 

 

 

 

 

.o.same time.

 

”, “

 

” and “

 

blink at the

 

 

 

 

 

 

 

 

 

 

 

o

This means that trouble has occurred on

Normal air conditioner operations are still possible, but no scheduled operations can be performed.the remote.controller’s circuit board. Contact your dealer.

MB FRIGO Grupa d.o.o., Bani 81, 10010 Zagreb, www.toshiba.hr, e-mail: toshiba@mbfrigo.hr

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Toshiba RBC-AMS41E owner manual Troubleshooting