3 Troubleshooting
3.1 Warning
3.2 E0 Troubleshooting
3.2.1 Display output
DEF./FAN
LED flashes
twice per
second
3.2.2 Description
▪ Mode conflict.
3.2.3 Impact on other units
▪ Refer to 4.2 “Impact on Other Units”.
3.2.4 Possible causes
▪ The indoor unit’s operating mode conflicts with that of the outdoor units.
▪ All electrical work must be carried out by competent and suitably qualified, certified and accredited
professionals and in accordance with all applicable legislation (all national, local and other laws, standards,
codes, rules, regulations and other legislation that apply in a given situation).
▪
Power-off the unit before connecting or disconnecting any connections or wiring, otherwise electric shock
(which can cause physical serious injuries) may occur or damage to components may occur.
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