Daikin DX20VC - Page 48

SERVICING
48
TROUBLESHOOTING INDOOR UNIT FOR EEV APPLICABLE UNIT
error.
“ * * “ “ _ _ “
No display
(0.5sec.)
“ _ E “ “ _ _ “
“ * * “ “ _ _ “
Error
(2sec.)
“ _ A “
“ _ _ “ “ * * “
“ _ _ “
“ * * “ “ _ _ “
digit 7 segment displays on indoor control 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 havingsome 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
7 Segment LED
Display (State)
Descrip�on of Condi�on
(No Display) INTERNAL CONTROL FAULT/ NO POWER
On STANDBY, WAITING FOR INPUTS
FC FAN COOL - COMMUNICATING MODE ONLY (Fan Demand-Cool)
FH FAN HEAT - COMMUNICATING MODE ONLY (Fan Demand- Heat)
_F FAN ONLY (Fan Demand-Manual)
H1 ELECTRIC HEAT LOW (Heat Demand, Back-up Heat Demand)
H2 ELECTRIC HEAT HIGH (Heat Demand, Back-up Heat Demand)
dF DEPFROST-COMMUNICATING MODE ONLY
Hu HUMIDITY RUNNING WIT
HOUT HEATING (Humidifica�on Demand)