H0 Troubleshooting - Bosch IDS 2.0 Service Manual

Split system heat pump condensing units up to 20.5 seer 2-3-4-5 ton capacity r410a
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4 8 | Bosch IDS 2.0

12.3.7 H0 Troubleshooting

LED display output:
Description:
Possible causes:
Table 35
Procedure:
Figure 22
Data subject to change
H0
Communication fault in EEPROM IC14 chip
 Control board failed
Yes
Is EEPROM IC14
chip improperly
installed?
No
Yes
Does EEPROM
IC14 have poor
contact?
No
Replace PCB
EEPROM IC14 Chip
Power off and correct the
connection
Power off and correct the
contact
Service Manual
07.2021 | Bosch Thermotechnology Corp.

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