ESP Safety UPES-50D, Руководство по эксплуатации, Страница: 16 / 51

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channel board has not found any sensor, the UPES indicator in the bottom line for this channel
board will display the (“No sensors”) message.
Working with the UPES menu, channel programming , modes setting in various device
configurations, and all the modes are given in the tree diagrams in the next pages.
Possible Malfunctions and Their Corrections
Possible malfunctions and their correction is described in Tables 6 and 7.
Table 6
Fault Possible Reasons Correction
The channel does not
appear on the display,
LEDs are not lit No supply voltage.
Faulty rail fuses.
Backup power circuit fault. Replace rail fuses, installed inside
the plug on the back of the power
supply unit (2A, 2 units).
Replace the fuses (12.5A, 2 units),
mounted on the back of the power
supply unit
Yellow LED is lit
continuously Communication line
failure.
Faulty wire Restore the line.
Repair or replace the wire
The LED is not lit when
the sound alarm and
relay trigger The LED is faulty Replace the LED.
The authorized specialist shall
perform this operation.
The threshold is
exceeded, but external
devices are not
switched on The relay is faulty
Damaged external
communication lines Consult with the manufacturer's
specialist.
Repair the corresponding module.
The authorized specialist shall
perform this operation.
Fix damage
Table 7.Power Supply Unit Fault Alarm
Fault Possible Reasons Correction
The UPES power button
is intermittently lit in
red, the intermittent
sound signal is
generated.
UPES is switched ON UPES is switched off
Malfunction or overload of
one of secondary power
supplies
Press and hold the UPES power
button for 2 seconds
If the situation repeats:
1. Check the correct installation of
the sensors.
2. If there are no doubts in
correctness of installation, see. p. 3.
3. When the power is off remove all
boards from UPES, in case of
repeated emergency after switching
on, the unit shall be repaired
The UPES power button
is intermittently lit in
red
UPES does not switch
on
Malfunction or overload of
one of secondary power
supplies Unit repair