Faults; Perceived Faults; Faults Not Indicated; Faults With Indication - Bosch Climate Class 6000i Operation Manual

Faults

4 Faults
4.1

Perceived faults

The following conditions do not denote equipment malfunctions.
Perceived fault Cause/Description
Unit does not operate The unit can stop operating for up to 3 minutes
to protect itself.
The unit will not operate if it is turned on
immediately after it was turned off. The unit
will not operate immediately after the
operation mode is changed.
Unit does not send out The unit is preheating or de-icing.
warm air
Odors Carpet and furniture odors that entered into
the unit may be sent out from the unit.
Cracking noise This sound is generated by the friction of the
unit expanding or contracting due to change of
temperature.
A low buzzing noise This is a sound of the unit generating
plasmacluster ions.
Swishing noise The soft, swishing noise is the sound of the
refrigerant flowing inside the unit.
Mist seen at indoor air In cooling mode, this is caused by the
outlet difference between the room temperature and
the discharged air temperature.
Water vapour In heating mode, water vapour may flow out of
the outdoor unit during de-icing.
The outdoor unit does After stopping operation, the outdoor unit will
not stop rotate its fan for about 1 minute to cool down
the unit.
Odor emitted from the This is the smell of ozone generated from the
plasmacluster air plasmacluster ion generator. The ozone
outlet concentration is very small, posing no adverse
effect on your health. The ozone discharged
into the air rapidly decomposes, and its
density in the room will not increase.
Table 9
4.2

Faults not indicated

Fault Remedy
If the unit fails to Check if the circuit breaker has tripped or the
operate fuse has blown.
If the unit fails to heat • Check the filters for dirt and clean them.
(or cool) the room
• Check the outdoor unit to make sure
effectively
nothing is blocking the air inlet or outlet.
• Check if the temperature is properly set.
• Make sure windows and doors are closed
tightly.
If the unit fails to • Check whether the remote control
receive the remote batteries have become old and weak.
control signal
• Try to send the signal with the remote
control pointed directly towards the unit's
signal receiver window.
• Check whether the remote control
batteries are inserted properly.
Connection cannot be • Check the WLAN signal strength. If
established to the app. necessary, bring the router closer to the
indoor unit or use a WLAN repeater.
• Check the correct entry of the login data.
Table 10
52
4.3

Faults with indication

A fault on the appliance can also be indicated by the sequential flashing
of the following lights:
• ON indicator K (green)
• Timer lamp (orange)
• WLAN lamp (green)
The number of flashing signs specify the number of the fault codes.
When the fault 23 – 4 occurs for example, the ON indicator K (green)
flashes twice, then the timer light
WLAN light (green) flashes 4 times.
Error code structure
The error code consists of a main code and a sub code:
Main code
Table 11 Error code
Retrieving the error code
▶ Press / on the Temp. button for over 5 seconds when the indoor unit
and remote control is off.
The remote control displays 00 and there is a beep sound from the
unit's buzzer.
▶ Press . or / on the Temp. button to change the number step by
step between 00 and 31.
– The buzzer makes a long beep if the displayed main code number
belongs to an active error (23 in the example above).
– Otherwise the buzzer makes a short beep.
▶ Press the Fan button once.
The remote control displays – 0.
▶ Press . or / on the Temp. button to change the number step by
step between – 0 and – 7.
– The buzzer makes a long beep if the displayed sub code number
belongs to an active error ( – 4 in the example above).
– Otherwise the buzzer makes a short beep.
Climate Class 6000i/8000i – 6721831490 (2022/11)
(orange) flashes 3 times and the
Dash Sub code
–