Pilz 774 180, Operating Manual

Page: 25 / 32

PNOZ e4.1p
Operating Manual PNOZ e4.1p
21362-EN-05
25
Decim
al error
code
Number of flashes Description Remedy
1, 5 3x short – 1x long
– 5x long – 3x short Unexpected status at S36 Check wiring at terminal S36
1, 6
1, 7
3x short – 1x long
– 6x long – 3x short
3x short – 1x long
– 7x long – 3x short
Wiring of operating mode “with
detection of shorts across con-
tacts” faulty Rectify wiring error at input circuits
1, 8
1, 11
3x short – 1x long
– 8x long – 3x short
3x short – 1x long
– 11x long – 3x short
1. Maximum time of feedback
loop monitoring exceeded
2. PNOZ e6.1p, PNOZ e6vp:
External feedback loop
closed, but internal feedback
loop faulty
1. Check contactor for contact weld-
ing
2. No user remedy possible. Change
the unit.
1, 10 3x short – 1x long
– 10x long – 3x short Open circuit Check safety mat wiring
5, 10 3x short – 5x long
– 10x long – 3x short U
B
<19.2 VDC Keep within the supply voltage range
of 19.2 ... 30 VDC
8, 1 3x short – 8x long
– 1x long – 3x short Invalid operating mode Check wiring for the operating mode
and rectify fault
8, 2
8, 3
14, 13
3x short – 8x long
– 2x long – 3x short
3x short – 8x long
– 3x long – 3x short
3x short – 14x long
– 13x long – 3x short
Supply interrupted, possibly
caused by a short to earth Rectify wiring error at terminal A1 or
check supply voltage
2, 0, 0
2, 0, 1
3x short – 2x long
– 16x long – 16x long
– 3x short
3x short – 2x long
– 16x long – 1x long
– 3x short
U
B
<19.2 VDC Keep within the supply voltage range
of 19.2 ... 30 VDC
2, 0, 2 3x short – 2x long
– 16x long – 2x long
– 3x short In the initialisation phase, short
circuit between the safety out-
puts and +24 VDC Rectify wiring error at terminals 14, 24
2, 0, 3 3x short – 2x long
– 16x long – 3x long
– 3x short U
B
<19.2 VDC Keep within the supply voltage range
of 19.2 ... 30 VDC