2-Digit 7 Segment Displays - Daikin DX17VSS B Series Service Instructions Manual

SERVICING
2-DIGIT 7 SEGMENT DISPLAYS (DV*FEC/CAPE(A)*/CHPE*)
When the indoor unit is energized power supply, 2-digit
7 segment displays on control board show current
status of state and error code.
(※CAPE(A) and CHPE do not indicate airflow.)
1. State shows current opera�on status of indoor unit
described in right table.
State code
(2sec.)
2.
Error
(2sec.)
3. Airflow shows es�mated CFM of indoor unit. For example, if the CFM is 1240 CFM, 7 segment display
shows "A...12...40..."
_ A
Airflow
(2sec.)
In the event
to solve the error.
1. State
2. When the unit is having some major and minor error code in standby normal mode, 2-digit 7 segment
displays keep showing error code.
2. Error code
No display
(0.5sec.)
indoor unit has.
No display Error code
(0.5sec.) (2sec.)
No display Upper 2-digit of
(0.5sec.) CFM (2sec.)
according to
in normal mode,
3. Airflow
7 Segment LED
Description of Condition
Display(State)
(no display) intERnAL ContRoL fAULt / no PoWER
on StAndBy, noRMAL ModE
fC * CooLinG ModE
fH * HEAt PUMP HEAtinG ModE
_f * fAn onLy
H1 * ELECtRiC HEAt LoW
(EXCLUdinG EMERGEnCy HEAtinG)
H2 * ELECtRiC HEAt HiGH
(EXCLUdinG EMERGEnCy HEAtinG)
df * dEfRoSt ModE
Hu * HUMidifiER RUnninG WitH no HEAtinG
EE EMERGEnCy ModE
*: CAPE(A) and CHPE* do not indicate.
No display
(0.5sec.)
Lower 2-digit of
No display
CFM (2sec.)
(0.5sec.)
indoor unit error code
show state and airflow status.
indoor unit
No display
(0.5sec.)
indoor unit.
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