Troubleshooting Tips - Bosch Climate 5000 SCI Owner's Manual

Troubleshooting
5.2

Troubleshooting Tips

When problems occur, please check the following points before contacting qualified personnel.
Problem Possible Causes
The unit is not working Power failure
The power switch is off
The fuse is blown
Remote control batteries are dead
The unit's 3-minute protection has been activated
Poor cooling performance Temperature setting may be higher than the ambient
room temperature
The heat exchanger on the indoor or outdoor unit is dirty
The air filter is dirty
The air inlet or outlet of either unit is blocked
Doors and windows are open
Excessive heat is generated by sunlight
Low refrigerant due to leak or long-term use
The unit starts and stops There is too much or too little refrigerant in the system
frequently
There is air, incompressible gas or foreign material in the
refrigeration system.
System circuit is blocked
The compressor is broken
The voltage is too high or too low
Poor heating perfor- The outdoor temperature is lower than 7°C
mance
Cold air is entering through doors and windows
Low refrigerant due to leak or long-term use
Table 3.
8
Solution
Wait for the power to be restored
Turn on the power
Replace the fuse
Replace the remote control batteries
Wait three minutes after restarting the unit
Lower the temperature setting
Clean the affected heat exchanger
Remove the filter and clean it according to instructions
Turn the unit off, remove the obstruction and turn it back
on
Make sure that all doors and windows are closed while
operating the unit
Close windows and curtains during periods of high heat
or bright sunshine
Check for leaks, re-seal if necessary and top off
refrigerant
Check for leaks and recharge the system with refrigerant
Evacuate and recharge the system with refrigerant
Determine which circuit is blocked and replace the
malfunctioning piece of equipment
Replace the compressor
Install a manostat to regulate the voltage
Check for leaks and recharge the system with refrigerant
Make sure that all doors and windows are closed during
use
Check for leaks, re-seal if necessary and top off
refrigerant
Climate 5000 SCI – 6720887414 (2019/07)