Panasonic U-4LE2E5 Service Manual & Test Run Service Manual page 41

13. Other Functions
10. Other Functions
(2) Maintenance Function for Power Supply Stop of Indoor Unit (E06 ignore)
The system can continue operation even if outdoor unit cannot communicate with some indoor units.
It is necessary to set to EEPROM the allowed number of operating indoor units not to be able to communicate.
The system will continue operating until the following condition is made to be satisfied.
Value set by the code "23" ≥No. of indoor units operated until the last moment because of communicative
disorder caused by power supply stop (excluding stopped indoor units).
However, the upper limit value set by the code "23" must be less than 25% of the total number of indoor units
of the system.
EEPROM setting in outdoor unit
CODE: 23
Setting No. Allowed number of missing indoor unit
-1
0
1
2
3
4
64
* However, the upper limit value set by the code "23" must be less than 25% of the total number of indoor
units of the system.
Examples :
In case of 8 indoor units, setting No. becomes "2".
Normal operation
ON ON
ON ON
ON ON
This function is invalid
(factory preset mode)
0
1
2
3
Never use
Operation continue: Indoor unit failure=2
ON ON ON
Error occurs: Indoor unit failure=3 > Setting No "2"
ON ON ON
Operation continue: Stopped units does not count
ON ON ON
Control Functions - Outdoor unit
OFF OFF
OFF OFF
OFF OFF
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3WAY SYSTEM
Mini VRF SYSTEM
Control Functions
Setting No "2"
OFF
OFF
OFF
1