Daikin DZ20VC - 2-Digit 7 Segment Display Codes (EEV)

SERVICING
49
error.
“ **“ “ __“
No display
(0.5sec.)
“ _E“ “ __“
“ **“ “ __“
Error
(2sec.)
“ _A“
“ __“ “ **“
“ __“
“**“ “__“
digit 7 segment displays on indoorcontrol board
State code
(2sec.)
No display
(0.5sec.)
Error code
(2sec.)
No display
(0.5sec.)
(2sec.)
No display
(0.5sec.)
Upper 2-digit of
CFM (2sec.)
Lower 2-digit of
CFM (2sec.)
No display
(0.5sec.)
No display
(0.5sec.)
2-digit 7 segment displays
2.
"A...12...40...".
1. State
2. Error code
2. When the unit is having some majorerror code in normalmode, 2-digit 7 segment displays keep
showing error code.
indoorunit. In the event
indoorunit error code to solve the
For example, if the CFM is 1240CFM,7 segmentdisplayshows
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TROUBLESHOOTING-INDOOR UNIT FOR EEV APPLICABLE UNIT
7 Segment LED
Display (State)
(No Dis play) INTERNAL CONTROL FAULT/NO POWER
On
FC
FH
_F
H1
H2
dF
Hu
ELECTRIC HEAT LOW (Heat Demand, Back-up
Heat Demand)
ELECTRIC HEAT HIGH (Heat Demand, Back-up
Heat Demand)
HUMIDITY RUNNING WITHOUT HEATING
(Humidificat on Demand)
Description of Condition
STANDBY, WAITING FOR INPUTS
FAN COOL-COMMUNICATING MODE ONLY
(Aux Heat Demand)
FAN HEAT-COMMUNICATING MODE ONLY
(Aux Heat Demand)
FAN ONLY (Fan Demand-Manual)
DEFROST COMMUNI CATING MODE ONLY