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.
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.
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Inspection code | trouble history events |
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2 | Push the TEMP | or |
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3 After checking the events, push the |
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Concerning trouble occurring in thedremote | ||||||||||||||
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•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,
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