Air Conditioner Operation In Thermistor Error - Sharp AE-X15PU Service Manual

F u n t c o i n
27 PAM clock error When power source frequency
cannot be determined (at startup),
or when power source clock can-
not be detected for 1 continuous
second (at startup).
28 Outdoor unit ther- Compressor stops if outdoor unit
mal fuse error in the cannot receive serial signal from
Terminal board indoor unit for 30 seconds.
I1—The outdoor unit restarts four times before the indoor unit error is displayed (complete shutdown).
I2—A single error judgment results in the display of the indoor unit error (complete shutdown).
I3—The outdoor unit restarts eight times before the indoor unit error is displayed (complete shutdown).

[2] AIR CONDITIONER OPERATION IN THERMISTOR ERROR

* These models have following thermistors.
AE-X15PU, AE-X18PU, AE-X24PU
The errors for the thermistors that are not mentioned above are irrelevant.
These indoor units don't have power relay.
O
Description Detection period
At compressor star-
tup, when in opera-
tion
When in operation
INDOOR UNIT
p r e t a o i n
Reset condition
Compressor contin-
ues operation with-
out stopping.
Reset after reception
of serial signal
TH1, TH2, TH3, TH4, TH6
3 – 3
AE-X15PU
S e f l d - a i g n o s s i
result display
Indoor Indoor Outdoor
unit unit unit
error
display
None Yes Yes
None None None