Bosch IDS 2.0 User Manual

Service Manual Bosch IDS 2.0 | 51
Bosch Thermotechnology Corp. | 07.2021
Data subject to change
12.3.10 P1/F1 Troubleshooting
LED display output: P1/F1
Description: High pressure protection
Possible causes:
 Poor heat exchange on coil (cooling mode – outdoor coil, heating mode – indoor coil)
 Fan motor failure (cooling mode – outdoor fan, heating mode – indoor fan)
 Service valves not open
 TXV/EEV/filter drier blocked
 Over charged
Table 38
Procedure:
Figure 25
Are you running in
force mode?
Ye s
Is there still a fault
code?
Is ambient
temperature >
120F?
No
Ye s
Quit force mode
No
Ye s
Is the system
overcharged
Ye s
Follow IOM to adjust
refrigerant
No
Did the high pressure
switch fail?
Ye s
Replace HPS
No
Restart system
Check for abnormal
pressure
No
No service required
1) See Section 13.1
2) See Section 13.5

Bosch IDS 2.0 Specifications

General

Refrigerant	R-410A
Stages	Variable
Voltage	208/230 V
System Type	Air Source Heat Pump
Compressor Type	Inverter-driven
Sound Level	As low as 56 dB
Heating Capacity	Varies by model
Cooling Capacity	Varies by model
Noise Level	45 dB to 60 dB
Operating Temperature Range (Heating)	-20°C to 35°C
Dimensions (Outdoor Unit)	Varies by model
Weight (Outdoor Unit)	Varies by model
Seasonal Coefficient of Performance (SCOP)	Not Available