Error code display and actions
The error codes are viewed on the display screen. After the error codes are displayed, the sys-
tem is shut off for 60 sec. and re-started (except for ba11). If the same error occurs more than
6 times within 60 minutes, the A/C system will be completely stopped. In this case, it can only
start again if the error has been solved and the system has been completely switched off and
on again.
AAA Persistent low voltage (below limit for more than 5 sec. See Installation
Instructions for further details.)
A01
Low pressure cut-out compressor 1
COOL mode: Insufficient chilled water flow.
HEAT mode: Insufficient seawater flow or seawater temperature in
heat mode too low (< 7 °C), heat mode not possible.
A02
High pressure cut-out compressor 1
COOL mode: Insufficient seawater flow.
HEAT mode: Insufficient chilled water flow.
A03 Low pressure cut-out compressor 2 (causes see A01)
A04 High pressure cut-out compressor 2 (causes see A02)
A05
Low pressure cut-out compressor 3 (causes see A01)
A06 High pressure cut-out compressor 3 (causes see A02)
A07 Low pressure cut-out compressor 4 (causes see A01)
A08 High pressure cut-out compressor 4 (causes see A02)
A09 Room temperature sensor defective or absent.
A10 Temperature sensor at chilled water loop defective or absent.
CA11 All compressors have been deactivated. Re-activate with the code menu
bA11 No error but status information, indicating that blower is in standby
mode. Blower will automatically start once chilled water circuit has
reached required temperature.
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