Daikin EWAP280MBYNN [405/452] Esie05 07 eev driver error list
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Daikin EWAP280MBYNN [405/452] Esie05 07 eev driver error list

Daikin EWLD480MBYNN [405/452] Esie05 07 eev driver error list
ESIE05-07 EEV Driver Error List
Part 3 – Troubleshooting 3–49
33
4
5
1
For units with EEV drivers
A) present for units with 1 EEV driver
B) present for units with 2 EEV drivers
PCO2 controller EEV - driver
(Start) only if error is present during power on (or) pLAN LED can be
on or flashing.
Plan LEDS LEDS
pLAN LEDS orange & green
light up (normal operation)
(= communication)
pLAN LEDS shortly flashes
after power On of unit
& then shut off
(= no communication)
pLAN LEDS light up for 4 sec.
(= communication) after this shut
off for 4 sec (=no communication)
this happens continue
Alarm LED: does not light up
Alarm LED: light up
Alarm LED: blinking
Valve opening LED: blinking
Valve closing LED: blinking
pLAN LED: light up (normal operation)
pLAN LED: does never light up
pLAN LED: shortly flashes
(4/5 times) after power ON of
unit & then shut off
pLAN LED: flashes (continue)
power LED: light up
power LED: blinking
power LED: off
1) EEV driver circuit 1/2 has no power (B) (A)(B) X X X
2) pLAn (tx-/tx+) is not connected (B) (A)(B) X X X
3) pLAn (tx-/tx+) of this EVV driver is reversed connected X X X X
4) pLAn (tx-/tx+) of another EVV driver is reversed connected X X X X
5) pLAn address setting of driver is equal to address setting of
pCO2 controller (ex pCO2=1 & EEV1 = 1)
X X (or) (or) X
6) pLAn address setting of driver is not correct and different from
pCO2 controller (ex pCO2=1 & EEV1 = 4)
(B) (A)(B) X (or) (or) X
7) pLAn address setting of driver are equal and diff. from pCO2 con-
troller (ex pCO2=1 & EEV1 = 3 & EEV2 = 3)
XX XX
8) pLAN VG0(24V) EEV-driver is disconnected X X X
9) pLAN VG1(24V) EEV-driver is disconnected (B) (A)(B) X X X
10) EEV pressure probe not connected XX X
11) EEV pressure probe broken XX X
12) EEV NTC sensor not connected XX X
13) EEV NTC sensor broken XX X
14) EEV Eprom is broken XX X
15) EEV superheat to low XX X
16) Valve did not close during stop (for example during power off) X X X X X
17) EEV driver is new (has never been used before) XXXX X
18) EEV battery disconnected XX X
Symptom
Cause
ESIE05-07.book Page 49 Wednesday, October 11, 2006 10:42 AM

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