Malfunction Of System, Refrigerant System Address Undefined - Daikin VRV Inverter K Series Manual

SI-05C.BOOK Page 158 Monday, November 6, 2000 4:13 PM
Troubleshooting

3.36 Malfunction of System, Refrigerant System Address Undefined

U U U U H H H H
Remote Controller
Display
Supposed Causes
Troubleshooting
158
Improper connection of transmission wiring between outdoor unit and outdoor unit outside control
adaptor
Defect of indoor unit PC board
Defect of outdoor unit PC board (A1P)
Is electricity
being introduce for
YES
the first time after installation
or after an indoor or outdoor
unit PC board has
been replaced?
NO
Is
indoor - outdoor and
NO
outdoor - outdoor unit
transmission wiring
normal?
YES
After fixing incorrect wiring,
push and hold the RESET
button on the outdoor unit PC
board for 5 seconds Replace
whichever is defective.
NO
Does a malfunction occur?
YES
Does
NO
a "UH" malfunction occur for
all indoor units in
the system?
YES
Does
a malfunction
occur even after 12
NO
minutes elapses from the time
Normal
when electricity is introduced
to indoor and outdoor
units?
YES
After fixing incorrect wiring, push
and hold the RESET button on the
outdoor unit PC board for 5
seconds.
∗ The unit will not run for up to 12
Normal
Replace indoor unit PC board.
Replace outdoor unit PC board
(A1P).
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Troubleshooting Inverter K Series
SiE-05C
minutes.
(VF062)