Page 77
Corp. 1244-L9
Y
N
Y
N
Y
N
High temperature and
overload protection
Is the outdoor ambient
temperature higher than
127ºF (53ºC)?
This is a normal protection
feature of the unit. once
outdoor ambient air
temperature drops below 53ºC
(127ºF) system will operate.
Is heat dissipation of
indoor and outdoor units
abnormal?
Power off system and
restart after 20 minutes
Improve heat dissipation of
environment around unit.
Is outdoor unit fan
operating correctly?
1. Check connection to OFAN
terminal on outdoor control.
1. Check resistance between
OFAN terminals, should be
1k ohm.
Replace outdoor
control
Replace C1 fan
capacitor
Replace
outdoor fan
End
OUTDOOR UNIT HIGH TEMPERATURE AND OVERLOAD PROTECTION
APPLICABLE UNIT SIZE(S): All
APPLICABLE ERROR CODE(S): E1, E5, H4
FIGURE 86
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