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MULTI V Space II Installation Manual
Due to our policy of continuous product innovation, some specifications may change without notification.
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Error Code Description Details
Space II Unit
8 6 1 Space II unit main PCB onboard EPROM error.
• Verify the EPROM is present and in the socket correctly.
• Check if all pins are in and are not bent.
• Check if notch in the chip lines up with the arrow on the
socket.
8 7 1 Space II unit fan PCB EPROM error.
• Communication error between Space II unit fan MICOM and
EPROM.
• EPROM is missing.
8 8 1 PFC PCB EPROM Error
• Communication error between Space II unit PFC MICOM and
EPROM.
• EPROM is missing.
1 0 5 1 Space II unit fan PCB communication error. Space II unit main PCB is not receiving a signal from the fan.
1 0 6 1 Space II unit fan IPM error. Instant overcurrent (peak) of Space II unit fan IPM.
1 0 7 1 Space II unit fan DC link low voltage error. Space II unit fan DC link voltage is <140V (for 208-230V units).
1 1 3 1 Space II unit liquid pipe temperature sensor error.
• Check the connection on the Space II unit PCB.
• Thermistor has disconnected or short circuited.
1 1 4 1 Space II unit subcooling outlet temperature sensor error.
1 1 5 1 Space II unit subcooling inlet temperature sensor error.
1 5 1 1 Space II unit operation mode conversion error. Space II unit is experiencing a pressure imbalance.
1 8 2 1
Communication error between Space II unit external
board main and sub MICOMs.
Space II unit external board main to sub MICOMs communica-
tion failure.
1 9 1 1
Space II unit inverter PCB heatsink temperature sensor
error.
Space II unit inverter PCB heatsink temperature sensor has
disconnected or short circuited.
1 9 3 1 Space II unit fan PCB heatsink temperature error.
System has shut off because Space II unit fan PCB heatsink
temperature is >203°F.
1 9 4 1
Space II unit fan PCB heatsink temperature sensor
error.
Space II unit fan PCB heatsink temperature sensor has discon-
nected or short circuited.
Table 31: Error Codes, continued.
For detailed information on how to troubleshoot each error, see the Space II Unit Service Manual on www.lg-vrf.com.
Self Diagnosis Functions
ELECTRICAL WIRING
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