olympia electronics GR-750 Series, Быстрое руководство по установке, Страница: 12 / 15

GR-750x series
Control panel for addressable
emergency luminaires
Document number:
923750400_90_001_EN
Date: 25/5/2023 Page: 12 of 15
[12]
3.2 Troubleshooting
FAULT SOURCE CAUSE ACTION
Disconnected BATTERY
The batteries of the panel are not
connected or faulty. • Check the batteries
connections.
• Replace batteries if problem
persists.
Overcharge BATTERY
Faulty PMU (battery charger)
board. • Replace the PMU board.
Undercharge BATTERY
Faulty PMU (battery charger)
board. • Replace the PMU board.
Ethernet/Wi-Fi
comm.
INTERNET CARD
1. Network card missing/not
connected.
2. Faulty network card. • Check network card
connection and replace if
problem persists.
Loop voltage
(high)
LOOP
Faulty loop board or short circuit
on the loop’s cables.
• Replace with another loop
board.
Loop voltage
(low)
LOOP
Faulty loop board. • Replace with another loop
board.
FAULT NIC
Faulty NIC board. • Replace with another NIC
board.
Datetime not set PANEL
Date and time have not been set
to the panel. • Set the date and time (DATE &
TIME MENU).
Non group
member
PANEL NETWORK
There is a panel connected to the
network, that is not part of the
“trusted” panels group.
• Remove the panel or perform a
new panel network group
formation (GROUP FORMATION
menu).
PNet open ring PANEL NETWORK
Disconnect between 2 or more
panels of the panel network. • Check the panel network
connections.
PNet disconnect PANEL NETWORK
No communication with a
registered panel. • Check if the disconnected
panel is still functional.
• Check the network cable
connections.
• Check if the panel network
settings have been altered.
Earth fault PMU
1. USB cable connected.
2. Short circuit between PE and
loop cables.
3. Panel not properly connected
with PE line. • Check the mains power supply
cable connections.
• Check the loop cable
connections.
No mains supply PMU
No power supply from mains.
• Check the mains power supply
cables/connections.