Rotem Platinum PLUS Installation Manual

Platinum Plus
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8. Troubleshooting
Display Problem Possible Cause Possible Solution
Disconnect the bridge card between the CPU card
and the switch bus, and check if the LED on the
alarm card is blinking.
I/O BUS (I2C) is
stuck
If the LED on the alarm card is not blinking, it
means that the problem is in one of the I/O cards.
In this case, the next step is to find which card is
the faulty one.
1.2 Platinum
General
problem
1.3 (Relays
are not
operating
in auto
mode and
many error
messages
appear)
Many error
messages
appear on the
display.
Disconnect the bridge card between the CPU card
and the switch bus, and check if the LED on the
alarm card is blinking.
If the LED on the alarm card is blinking, it means
that one of the switch cards (or the switch bus
itself) caused the I2C bus problem.
Switch BUS (I2C)
is stuck
In this case, the next step is to find which switch
card is the faulty one.
1. Return the jumper between the CPU and the
switch bus.
2. To find which card holds the I2C BUS,
disconnect an entire line (2 switch cards) by
removing a bridge card.
3. See if the switch cards on the other lines start
blinking:
LEDs in the
switches and
alarm cards are
not blinking
One of the switch
cards holds the
I2C BUS
Faulty switch card
● If they start blinking it means that you
removed the faulty line (one of the cards is
faulty).
● If not, return the bridge back and
disconnect another line (repeat this
procedure until you find the faulty line (one
of the 2 switch cards is faulty).
4. Find out which of the 2 is faulty and replace it.

Rotem Platinum PLUS Specifications

General

Brand	Rotem
Model	Platinum PLUS
Category	Controller
Language	English