Panasonic 2WAY Multi Technical & Service Manual page 49

2) When the water heat exchanger unit is connected
1
Remote
1-1 Is power being supplied to the remote controller?
controller
power
2
2-1 Has an address been set on the remote controller?
Remote
controller
(parallel
2-2 Is the address set in the remote controller in series?
array)
address
Do the address on the remote controller and on the water heat
2-3
exchanger unit match up?
Does the number of addresses on the remote controller match
2-4
up with the number of water heat exchanger units?
Is the parallel array address on the water heat exchanger unit
2-5
set at anything other than [0]?
Is the parallel array address on the water heat exchanger unit
2-6
set at [1 - 5]?
3
Are the terminal resistor switches on the remote controller and
Terminal
on water heat exchanger unit's control board located at both
3-1
resistor
ends of the wire linking the remote controller with the water
heat exchanger unit set at ON?
4
Is the remote controller's wire severed (connector or terminal
4-1
Remote
disconnected?)
controller
wires
4-2 Is the remote controller's wire short-circuited?
(wires
linking
between
4-3 Is the remote controller's wire grounded?
the remote
controller
4-4 Is the remote controller's wire polarity (+-) reversed?
to the
water heat
Are the remote controller wire (TB5-4, TB5-5) and outdoor
exchanger
4-5
unit wires (TB1- ,
unit)
5
Noise
5-1 Is a source of noise located nearby?
6
Remote
Have the settings been made in accordance with the remote
6-1
controller or
controller's instruction manual?
peripheral
equipment
Does a repairable fault exist in the remoter controller or
6-2
remote controller board?
● For board and Electrical Wiring Diagram, see Chapter 6.
• Outdoor main board: page VI-2
• Outdoor power board: page VI-3
• Converter board: VI-4
• Indoor control board for DC motor models: page VI-5
• Outdoor Unit Electrical Wiring Diagram: page VI-6
) connected to the wrong places?
IV–36
Yes 2-1
No Switch on the power
Yes 2-2
No Set the address
Yes 2-3
No Set a serial number
Yes 2-4
No Match up the addresses
Yes 2-5
Match up the number of
No
connected units
Yes 2-6
Set any parallel array
No
address other than [0]
Yes 3-1
Set the parallel array
No
address at [1 - 5]
Yes 4-1
Set the terminal resistor
No for both ends of the link
wire to ON
Yes Repair the severed wires
No 4-2
Yes Repair the short-circuit
No 4-3
Yes Repair the ground
No 4-4
Yes Switch the wires around
No 4-5
Yes Repair the wiring
No 5-1
Set up noise
Yes
countermeasures
No 6-1
Yes 6-2
Repair the settings in
No accordance with the
instruction manual
Yes Restore
Replace the remote
No
controller