LG LZ-H015GBA2, Руководство по обслуживанию

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Troubleshooting
Breakdown mode 3: Remote controller does not work. It works abnormally.
Checklist table(table3) for using PQRCVSL0 / PQRCVSL0QW / PZRCUSB0
• Different transmission line
connection terminal
• No power on ventilation system
• Incorrect power on ventilation
system
• Connecting failure of transmission
line
• Longer wiring length of
transmission line than
prescribed(more than 50m)
• Several transmission lines wired
with muticables.
• Transmission line wired in too
closely to power line
• Omission of liquid crystal letter on
remote controller
• Under interlocking operation in air
conditioner
• Disconnected main power during
ventilation system operation
• LOCK is set in the upper controller
• Interlocking ON/OFF preferable to
external is set
• Under operation in LCD remote
controller
No. Details Possible Causes Necessary actions
• Check the connection of transmission line
(CN-REMO on the ventilation system panel)
• Check the power in ventilation system.
• Check the power
• Check the wiring length of transmission line.
• With exclusive wires, wire each transmission
line at intervals.
• Wire transmission line and power line at more
than 50mm intervals.
• Replace remote controller
• No error
• Activate the ventilation stop in air conditioner
to stop ventilating.
• Stop the ventilation system with remote
controller, and temporarily disconnect the
main power
• Check the upper controller setting
• No error
• Activate the ventilation stop in LCD remote
controller to stop ventilating.
No message displayed
on LC screen
Arbitrarily
operated/stop, or
converted displays
Checking number other
than the checking
number list is displayed
Impossible to stop
ventilation system with
remote controller
(interlocking operation)
Main power is displayed
on remote controller and
then ventilation system
operates
Impossible to operate
or stop ventilation
system with remote
controller(central
controlling sign is
displayed)
Impossible to operate
or stop ventilation
system with remote
controller (multi remote
controller displayed)
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