Kaisai KMK-60RY1, Service Manual

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M thermal Split
64 202004
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4.9 HF Troubleshooting
Digital display output 4.9.1
Description 4.9.2

Outdoor unit inverter module EEPROM error.

Split stops running.

Error code is displayed on outdoor unit main PCB and user
interface.
Possible causes 4.9.3

Outdoor unit invert module EEPROM is not connected properly.

Outdoor unit invert module EEPROM damaged.
Procedure 4.9.4
HF
Outdoor unit invert module EEPROM
1
is
not connected properly
Yes
Ensure the EEPROM is connected
properly
No
Replace outdoor unit invert module
Notes:
1. Outdoor unit
invert module
EEPROM is designated IC320 on the KHA-06(08,10)RY1 outdoor unit
invert module
(labeled 9 in Figure 4-2.5
in Part4, 2.3 "Main PCBs for Refrigerant System, Inverter Module"), designated IC25 on the KHA-12(14,16)RY3 outdoor unit
invert module
(labeled
14 in Figure 4-2.7 in Part4, 2.3 "Main PCBs for Refrigerant System, Inverter Module").
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