Page 36
MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528
ENGINE PROTECT LINE
LED Emergency
Indicators code
LAMP-
TEMP FILTER-
DET SENSOR-
DET (Device+Menu)
[LT] [CF] [DT]
Engaged Engaged Engaged 2.88 V ~
2.68 V 2.82 V N/A N/A Normal
condition
Status: Turns OFF
fast
Yellow. (1-2 sec).
Status: Turns OFF
fast
Yellow,
blink. (1-2 sec).
Status: Turns OFF
slowly
Yellow. (25-30
sec).
Warning on
screen.
Comment
Specified Measured
OPEN 2.48 V ~
2.28 V
Sensor Status ENG_PROT. Voltage
(
FB/
p
in 9
)
2.40 V 46
Engaged OPEN Engaged 2.08 V ~
1.88 V 2.00 V 33
Engaged Engaged
1.20 V 38
OPEN Engaged Engaged 1.30 V ~
1.10 V

FAN DETECT LINE

LED Emer
g
enc
y
Indicators code
PBS LAMP MD BALST (Device+Menu)
[JB] [JA] [JC] [JF]
Drive: Drive: Drive: Drive:
10.04 V 10.04 V 6.01 V 7.02 V
Engaged Engaged Engaged Engaged
Engaged Engaged Engaged OPEN 2.82 V ~
2.72 V 2.80 V Status: 36 Turns OFF
fast
Engaged Engaged OPEN Engaged 2.62 V ~
2.52 V 2.60 V Red,
b
linking. 37 (1-2 sec) .
Engaged OPEN Engaged Engaged 2.23 V ~
2.13 V 2.20 V 42
OPEN Engaged Engaged Engaged 1.44 V ~
1.34 V 1.40 V 45
Fan Status FAN_DET Voltage
(
FB/
p
in 9
)
Comment
Specified Measured
Normal
condition
3.02 V ~
2.92 V 3.00 V N/A N/A

LAMP PROTECT LINE

COVER-DET LED Emergency
Status Indicators code
[CD] (Device+Menu)
Engaged 2.46 V N/A N/A Normal
condition
Lamp: Turns OFF
fast
Yellow, blink. (1-2 sec).
LAMP_PROT.
Voltage
(KA/pin 14) Co mment
OPEN 1.64 V 32