Daikin VRV Inverter K Series Manual page 104

SI-05C.BOOK Page 90 Monday, November 6, 2000 4:13 PM
Test Operation
Operation lamp Inspection display
Blinking Blinking
On Off
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On Off
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Blinking Off
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On Off
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Off On
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On Off
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On On
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The system operates for malfunction codes indicated in black squares, however, be sure to check and repair.
90
Unit No. Malfunction code
Blinking J6 Outdoor unit: Malfunction of thermistor (R2T) for heat
exchanger (loose connection, disconnection, short circuit,
failure)
Blinking J6 Outdoor unit: Malfunction of thermistor (R2T) for heat
exchanger (loose connection, disconnection, short circuit,
failure)
Blinking JA Outdoor unit: Malfunction of discharge pipe pressure sensor
Blinking JC Outdoor unit: Malfunction of suction pipe pressure sensor
Blinking JH Outdoor unit: Malfunction of oil temperature sensor
Blinking L0 Outdoor unit: Failure of inverter system
Blinking L4 Outdoor unit: Failure of inverter cooling
Blinking L5 Outdoor unit: Compressor motor insulation defect, short
circuit, power unit short circuit
Blinking L6 Outdoor unit: Compressor motor insulation defect, short
circuit
Blinking L8 Outdoor unit: Compressor overload, compressor motor wire
cut
Blinking L9 Outdoor unit: Compressor lock
Blinking LA Outdoor unit: Malfunction of power unit
Blinking LC Outdoor unit: Malfunction of transmission between inverter
and outdoor control unit
Blinking PO Gas depletion (heat build up)
Blinking P1 Outdoor unit: Power supply voltage imbalance, open phase
Blinking P4 Outdoor unit: Malfunction of power unit temperature sensor
Blinking U0 Refrigerant shortage, low pressure drop due to failure of
electronic expansion valve
Blinking U1 Negative phase / open phase
Blinking U2 Power supply insufficient or instantaneous failure
Blinking U4 Malfunction of transmission between indoor unit and
outdoor unit / BS unit, or outdoor unit and BS unit
Blinking U5 Malfunction of transmission between remote controller and
indoor unit
Off U5 Failure of remote controller PC board or setting during
control by remote controller
Blinking U7 Malfunction of transmission between indoor units
Malfunction of transmission between outdoor units,
malfunction of transmission between outdoor unit and ice
build-up heat unit
Blinking U7 Malfunction of transmission between outdoor units (cool/
heat unified, low noise)
Off U8 Malfunction of transmission between main remote controller
and sub remote controller (malfunction of slave remote
controller)
Blinking U9 Malfunction of transmission between indoor unit and
outdoor unit in same system
between BS unit and indoor/outdoor unit in same system
Blinking UA Failure of combination of indoor / BS / outdoor units (model,
No. of units, etc.)
remote controller (applicable remote controller)
BS unit connection position
On UC Address duplication of central remote controller
Blinking UE Malfunction of transmission between indoor unit and central
remote controller
Blinking UF System not set
Blinking UH Failure of system
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SiE-05C
Malfunction contents
Malfunction of transmission
Failure of combination of indoor unit and
Failure of
Test Operation Inverter K Series