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status
description
The valve current is too high. This means
3 pulses every 3 s
that an incorrect valve was installed or there
is a short-circuit.
4 pulses every 3 s
No motor contactor is connected.
6 pulses every 3 s
The fuse for the valve current is defective.
Table 3:
Troubleshooting
4)
The fault "No motor contactor is connected" is indicated in non-
switched status only. This means that this fault is only indicated if
there is no frequency at the gasoline pulse input.
3)
The fault "The valve current is too low" is indicated in switched status
only.
22
(4
English
Type 1094 EV
Operation and function
8.3.

fuses

The device features two fuses
The main fuse (F2) is a self-resetting fuse with a nominal value of 1.1A;
it monitors the total power consumption of the device.
The second fuse (F1) is a fast-acting fuse (5 x 20 mm) in accordance
with the standard IEC 60127-2-1, with a disconnect threshold of 1500
A. Its nominal value is 800 mA; it monitors the valve current.
The electronics monitor the reliability performance of the fuse and
indicate a malfunction with the red LEDs on both sides (6 pulses
every 3 s).
Fuse F1
Valve current monitor
5 x 20 mm, 800 mA, fast-acting)
Fuse F2
Main fuse, monitoring the total
power
Fig. 10:
Position of the fuses

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