Troubleshooting - Toshiba Carrier RBC-AMS41UL Owner's Manual

Remote controller with weekly timer
7

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.
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.
21-EN
CAUTION
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
• 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.
1
Push the
(43) together for at least 4 seconds.
• The numeric displays blink, and the
servicing display
light.
Inspection code
Address of indoor unit where
the trouble has occurred
– 22 –
Owner's Manual
Address of indoor unit
where the trouble has
occurred
button (42) and
and inspect display
Numerical order of
trouble history events
button