LG LZ-H015GBA2, Руководство по обслуживанию

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Only for training and service purposes
LGE Internal Use Only
• No power supplied to ventilation
system, or incorrect power connected
to the system
• Longer total wiring length of
transmission line than prescribed
• No connection of remote controller to
CN-REMO
• Longer total wiring length of
transmission line than prescribed
(more than 50m)
• Multiple transmission line wired as
multicable.
• Running out of liquid crystal
System checklist table(table1-2) for using wired remote controller(LCD TYPE)
No. Details Possible Causes Necessary actions
• Check the power in ventilation system
• Check the wiring length of transmission line
• Connect the transmission line to CN-REMO
• Check the length of transmission line
• Use exclusive wires, and wire the transmission
lines at more than 50mm intervals.
• Replace the remote controller
No message displayed
on remote controller 1
No control with remote
controller
(displaycommunicate
failure) 2
Odd message displayed
on the screen 3
Troubleshooting
Checking Points
Breakdown mode 1 : System does not work normally.
After checking the system, check the following checklist.
Initial checklist table(table1-1) from installation to operation
No. Checklist
1 Are the switch capacity of main power and wiring diameter in accordance with regulations?
2 Is the prescribed power supplied to power terminal in ventilation system?
3 Is the wiring length of transmission line in accordance with regulations?
In case of wiring remote controller: total extension of less than 50m
4 Is the prescribed transmission line used? (type of line, diameter of line)
5 Are the transmission line and power line wired at more than 50mm interval?
6 Aren't there any multiple transmission line or signal line in the same wire pipe?
7 Aren't multiple transmission lines wired as multicable?
8 Does the connecting terminal plate of transmission have trouble? (for LCD remote controller, CN-REMO for air
conditioner interlocking controls, CN-AIR)
9 Is the transmission line precisely connected to the terminal plate of ventilation system?
10 Are the power line, transmission line, and signal line precisely connected to the indicated terminal plate?
11 Is the thermistor precisely connected to the terminal plate?
12 Is the option switch(SW1/SW2) correctly set?
Factory default setting
Op. SW
Master Slave
Model
LZ-H015GBA2
LZ-H025GBA2
LZ-H035GBA2 LZ-H050GBA2
LZ-H080GBA2
LZ-H100GBA2
LZ-H150GBA2
LZ-H200GBA2