Service Manual
Bosch IDS 2.0
| 55
Bosch Thermotechnology Corp.
|
07.2021
Data subject to change
12.3.14 P5 Troubleshooting
LED display output:
P5
Description:
Condenser coil temperature (T3) protection in cooling
Possible causes:
Poor heat exchange on coil (cooling mode – outdoor coil)
Fan motor failure (cooling mode – outdoor fan)
Service valves not open
TXV/EEV/filter drier blocked
Over charged
Table 42
Procedure:
Figure 29
Are you running in
force mode?
Yes
Yes
Is there still a fault
code?
Is ambient
temperature >
120F?
No
Yes
Quit force mode
No
Yes
Is the system is
overcharged
Yes
Follow IOM to adjust
refrigerant
No
Did T3 sensor
fail 2
Yes
Replace T3
No
Restart system
Check for abnormal
pressure 1
No
No service required
1) See Section 13.1
2) See Section 13.4