Bosch Climate 5000 VRF MDCI10-1 Owner's Manual page 11

7.2 Troubles and causes of remote controller
Before asking for serving or repairing, check the following points.
(See in Table 7-2)
Table 7-2
Symptoms
The fan speed can not be
changed.
The remote controller
signal is not transmitted
even when the ON/OFF
button is pushed.
The TEMP. indicator does
not come on.
The indication on the
display disappears after a
lapse of time.
The TIMER ON indicator
goes off after a lapse of
certain time.
No receiving tone sounds
from the indoor unit even
when the ON/OFF button
is pressed.
Heat Pump Mini VRF Outdoor Unit
Causes
• Check whether the MODE indicated on
the display is „AUTO"
• Check whether the MODE indicated on
the display is „DRY"
• Check whether the batteries in the remote
controller are exhausted.
• Check whether the MODE indicated on
the display is FAN ONLY.
• Check whether the timer operation has
come to an end when the TIMER OFF is
indicated on the display.
• Check whether the timer operation is
started when the TIMER ON is indicated
on the display.
• Check whether the signal transmitter of
the remote controller is properly directed
to the infrared signal receiver of the indoor
unit when the ON/OFF button is pressed.
TROUBLESHOOTING | 11
Solution
When the automatic mode is selected, the air
conditioner will automatically change the fan
speed.
When dry operation is selected, the air
conditioner automatically change the fan speed.
The fan speed can be selected during „COOL",
„FAN ONLY", and „HEAT".
The power supply is off.
The temperature cannot be set during FAN
mode.
The air conditioner operation will stop up to the
set time.
Up to the set time, the air conditioner will
automatically start and the appropriate indicator
will go off.
Directly transmit the signal transmitter of the
remote controller to the infrared signal receiver
of the indoor unit, and then repeatly push the
ON/OFF button twice.
6 720 844 640 (2015/11)