Troubleshooting
SCS_BA_EV-301_601_EN_12 groupscs.co.uk Date: 31.05.2023
info@groupscs.co.uk Issue: 1.2 / 06.2023
Page 26
9. Troubleshooting
ATTENTION
Due to the low loop current, the insulation resistance of the
monitored wires (B1, B2 and B3) must be checked! The
insulation resistance must be = 20 MΩ/km (wire manu-
facturer specication), otherwise disconnections may be
undetected.
INFORMATION
The operational states of the EV-x01 can be visualized
with SIMON LINK using a USB300-cable (only during
mains operation).
For more information about the operational status see 4.3.5:
“Operational status indicators (OK, ALARM and FAULT)” on
page 10
INFORMATION
The EV-x01 indications are only visible with mains power
connected.
10. Frequently asked questions
QUESTION: Why does the yellow LED (common fault) lights, although all recognizable and known causes have been elimina-
ted?
ANSWERS:
● The maintenance counter is expired and must be set back, via SIMON LINK.
● Battery deep discharge: If the error-message can not be set back by pressing the RESET-button for more than 5
seconds the battery must be replaced.
QUESTION: Why do I not get a fault indication when the battery is not plugged in or the connection cables are disconnected?
(yellow LED)?
ANSWER: The battery assessment is carried out in cycles and can last up to maximum 8 minutes. In the event of a battery
fault, the yellow LED is set. A disconnected or defective battery will signal a fault immediately.
QUESTION: Why does the safe opening / closing not work during emergency power operation?
ANSWER: The initiated OPEN or CLOSE action of the function “secured closing” and “secured opening” of the smoke vents
is only completed with a change to emergency power operation. When the system is in emergency power operati-
on, the ventilator switch is disabled and the smoke-vents can only be operated by the SHEV-alarm opened.
QUESTION: Why does the yellow LED in EV-HE077 ash constantly during SHEV-triggering?
ANSWER: The ashing of the yellow LED during SHEV-alarm at the emergency button EV-HE077 is initiated by the switch
itself and can not be changed.
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