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38MARB: Service Manual
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
23
INQUIRY MODE
To enter the
Inquiry Mode
:
Press and hold together the
On/Off
and
Fan
buttons for 8 seconds. The remote control remains in
Inquiry Mode
for 1 minute if no button is
pressed. In the
Inquiry Mode
, the remote display cancels all icons except
AUTO
,
COOL
,
DRY
,
HEAT
and battery strength. The digital display
defaults to “0” upon entering the
Inquiry Mode
. In
Inquiry Mode
, each digital code (from 0 to 30) is accessed by pressing the
UP
or
DOWN
arrow.
Table 11 — Up and Down Arrow
The Inquiry information displays on the High Wall indoor unit display in approximately 1 second of accessing the digital code. Press “OK” to send as
well.
Table 12 — Inquiry Codes and Symbols
To exit the
Inquiry Mode
:
Press and hold together the On/Off and Fan buttons for 2 seconds.
CODE
INQUIRY SYMBOL
DESCRIPTION
Code 0
None
Code 1
T1
Indoor ambient
Code 2
T2
Indoor pipe
Code 3
T3
Outdoor pipe
Code 4
T4
Outdoor air
Code 5
TP (T5)
Compressor discharge
Code 6
FT
Compressor target frequency
Code 7
Fr
Compressor run frequency
Code 8
dL
Unit amperage
Code 9
Uo
Unit voltage
Code 10
Sn
Capacity test (special usage)
Code 11
----
N/A
Code 12
Pr
Indoor fan speed
Code 13
Lr
Electronic Expansion Valve (EEV) opening
Code 14
ir
Indoor fan speed
Code 15
HU
Humidity
Code 16
TT
Setpoint compensation temperature
Code 17
dT
Dust concentration (not used)
Code 18
WIFI
Wi-Fi signal strength
Code 19
----
N/A
Code 20
oT
Indoor fan target frequency
Code 21
----
N/A
Code 22
----
N/A
Code 23
----
N/A
Code 24
----
N/A
Code 25
----
N/A
Code 26
----
N/A
Code 27
----
N/A
Code 28
----
N/A
Code 29
----
N/A
Code 30
----
N/A