Daikin EWAP460MBYN [404/452] Eev driver error list
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Daikin EWAP460MBYN [404/452] Eev driver error list

Daikin ERAP150MBYNN [404/452] Eev driver error list
EEV Driver Error List ESIE05-07
3–48 Part 3 – Troubleshooting
3
1
3
4
5
8.2 EEV Driver Error List
For units with EEV drivers
A) present for units with 1 EEV driver
B) present for units with 2 EEV drivers
PCO2 controller
(Start) only if error is present during power on (or)
pLAN LED can be on or flashing.
Display
Alarm menu
No error message
Alarm menu
CIRCUIT1/2 SAFETY
1/2E4: LOW PRESSURE
Alarm menu
CIRCUIT1/2 SAFETY
1/2A9: EEV DRIVER ERR
Alarm menu
CIRCUIT1/2 SAFETY
1/2A9: EEV NOT CLOSED
Alarm menu
CIRCUIT1/2 SAFETY
1/2A9: EEV SUPERHEAT ER
Alarm menu
CIRCUIT1/2 SAFETY
1/2A9: EEV EEPROM ERR
Alarm menu
CIRCUIT1/2 SAFETY
1/2A9: EEV ST .MOTOR ERR
Alarm menu
CIRCUIT1/2 SAFETY
1/2A9: EEV PROBE ERR
Alarm menu
EEV1/2 SAFETY
1/2A9: EEV BATTERY ERR
Alarm menu
NETWORK SAFETY
0U4: PCB COMM. PROBLEM
READOUTMENU
ACT. PRESSURES C1/2
LP1/2: 00.0 b = 36.2 °C
READOUTMENU
ACT. PRESSURES C1/2
LP1/2: -2.06 b = -ER °C
INFO MENU
UNIT INFORMATION
EEV1/2:000000
SERVICE MENU
EEV1/2 DRIVER(03/04)
NO WARNINGS
SERVICE MENU
EEV1/2 DRIVER(03/04)
SYSTEM WAITING FOR:
VALVE OPEN
GO AHEAD:NO
I/O STATUS MENU
EEV1/2 IN/OUTPUTS
BATTERY: DISCONNECTED
1) EEV driver circuit 1/2 has no power
(start) X (start) X (start) (start) X (start)
2) pLAn (tx-/tx+) is not connected
(start) X (start) X (start) (start) X (start)
3) pLAn (tx-/tx+) of this EVV driver is reversed
connected
(start) X (start) X (start) (start) X (start)
4) pLAn (tx-/tx+) of another EVV driver is reversed
connected
(start) X (start) X (start) (start) X (start)
5) pLAn address setting of driver is equal to
address setting of pCO2 controller (ex pCO2=1
& EEV1 = 1)
(start) X (start) X (start) (start) X (start)
6) pLAn address setting of driver is not correct and
different from pCO2 controller (ex pCO2=1 &
EEV1 = 4)
(start) X (start) X (start) (start) X (start)
7) pLAn address setting of driver are equal and diff.
from pCO2 controller
(ex pCO2=1 & EEV1 = 3 & EEV2 = 3)
(start) X (start) X (start) (start) X (start)
8) pLAN VG0(24V) EEV-driver is disconnected
X
9) pLAN VG1(24V) EEV-driver is disconnected
(start)X XXX XX X
10) EEV pressure probe not connected
XX
11) EEV pressure probe broken
X
12) EEV NTC sensor not connected
X
13) EEV NTC sensor broken
X
14) EEV Eprom is broken
X
15) EEV superheat to low
X
16) Valve did not close during stop
(for example during power off)
(start) X X X
17) EEV driver is new (has never been used
before)
(start) X X X
18) EEV battery disconnected X
Symptom
Cause
ESIE05-07.book Page 48 Wednesday, October 11, 2006 10:42 AM

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