Panasonic 2WAY Multi - E26 Inconsistencies in Number of Outdoor Units (for Only W MULTI

IV–56
E26 Inconsistencies in Number of Outdoor Units (for only W MULTI)
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Error detection method
A Mismatch of Outdoor Unit Count is assumed when the number of outdoor units in the same refrigerant
system
(No. 10 fi rst on) does not match made setting in a W MULTI (*) system.
* A unit with an outdoor unit address (No. 10 First sub) of something other than “0” in an outdoor main board
is identifi ed as a W MULTI unit.
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Troubleshooting
1
Check board
setting
1-1 Is the outdoor unit a W MULTI unit?
Yes 1-2
No 1-3
1-2
Have the system address, outdoor unit address and number
of connected outdoor units for the same refrigerant system
been properly entered?
• System address ... No. 10 First out
• Outdoor unit address ...No. 10 First sub
• Number of connected outdoor units ...No. 10 First on
Yes 2-1
No Enter the data correctly.
1-3
Is the outdoor unit address set to “0”?
* For systems other than W MULTI, be sure to set “0.”
A system set to something other than “0” is recognized as W
MULTI.
Yes 3 -3
No Set to “0.”
2
Check
wiring
2-1
Is the wiring (indoor/outdoor operation wiring) between
W MULTI outdoor units in the same refrigerant system
connected?
Yes 3 -1
No Repair wiring.
3
Check
the power
supply and
wiring
3-1
Are all W MULTI outdoor units in the same refrigerant system
turned on?
Yes 3 -2
No Turn power ON
3-2
Is the S010 (terminal resistor) switch on the outdoor main
board correctly set?* Regardless of system addresses, 1
outdoor unit in the same link wiring must be set to “Short”
(terminal resistor “on”).
Yes 3 -3
No Enter the data correctly.
3-3 Replace outdoor main board
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