Kaisai KMK-60RY1, Service Manual

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M thermal Split
62 202004
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4.7 EE Troubleshooting
Digital display output 4.7.1
Description 4.7.2

Hydronic box main PCB EEPROM error.

Split stops running.

Error code is displayed on hydronic box main PCB and user
interface.
Possible causes 4.7.3

Hydronic box main PCB EEPROM is not connected properly.

Hydronic box main PCB damaged.
Procedure 4.7.4
EE
Hydronic box main PCB EEPROM
1
is not
connected properly
Yes
Ensure the EEPROM is connected
properly
No
Replace hydronic box main PCB
Notes:
1. Hydronic box main PCB EEPROM is designated IC39 on the main PCB for hydronic box (labeled 31 in Figure 4-2.1 in Part4, 2.2 "Main PCB for Hydronic
System").
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