Midea PTAC Series User Manual

10.Troubleshooting
10.1 Error Display
Codes
Contents
AS
Open or short circuit of T1 temperature sensor
ES
Open or short circuit of T2 temperature sensor
CS
Open or short circuit of T3 temperature sensor
oS
Open or short circuit of T4 temperature sensor
HS
Open or short circuit of T5 or T6 temperature sensor
Lo
Temperature is lower than display range(0℃/32℉)
HI
Temperature is higher than display range(37℃/99℉)
E4
Communication malfunction between main control board and display board.
LE
Drive-by-wire control failure
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Midea PTAC Series Specifications

General

Brand	Midea
Model	PTAC Series
Category	Air Conditioner
Language	English