UPDATED A5 Panasonic technical handbook F 2025 - Flipbook - Page 151
Commercial Fault Codes - E Type Communication
Type
Alarm Code
E01
E02
E03
E04
Comms Issues
151
E05
E06
E07
E08
E09
E10
E11
E12
E13
E14
E15
E16
E17
E18
E20
E24
E25
E26
E29
E31
Alarm Meaning
Addressing and Communication Problems Remote control detecting error from indoor unit, Address not set/Auto address failed. Check interconnecting wiring
etc. Re-address system.
Remote detecting error from indoor unit
Indoor unit detecting error from remote
Indoor seeing error from outdoor. Qty of indoor units connected are less than qty set. Check; all indoor units are ON, reset turn off all units wait 5min power
up
Indoor unit detecting error from outdoor unit, Error in sending comms signal
Outdoor unit detecting error from indoor unit, Error in receiving comms signal
Outdoor unit detecting error from indoor unit, Error in sending comms signal
Incorrect setting indoor/controller, Indoor address duplicated
Incorrect setting indoor/controller, Remote address duplicated, or IR wireless controller not disabled
Indoor unit detecting error from 'option' plug, Error in sending comms signal
Indoor unit detecting error from 'option' plug, Error in receiving comms signal
Auto addressing failed, Auto address connector CN100 shorted during auto addressing
Indoor unit failed to send signal to remote controller
Setting Failure, Duplication of header indoor units
Auto addressing failed, Number of indoor units connected are less than number set
Auto addressing failed, Number of indoor units connected are more than number set
Group control wiring error, Main indoor unit not sending signal for sub indoor units
Group control wiring error, Main indoor unit not receiving signal for sub indoor units
Auto addressing failed, No indoor units connected
Auto addressing failed, Error on sub outdoor unit
Auto addressing failed, Error on outdoor unit address setting
Auto addressing failed, Quantity of main and sub outdoor units do not correspond to the number set on main outdoor unit P.C.B.
Auto addressing failed, Sub outdoor unit not receiving comms for main outdoor unit
Between units, Comms failure with MDC, does E31 remain after power is re-instated? If so replace PCB. & power PCB
