Pinnacle Systems DR - Manual (Page 36)

Appendix “A”
Diagnostics & Troubleshooting
External infrared source detected xxy
The curtain (during a blocked condition) detected
infrared light from another source. Check for other
curtains and make sure the Receiver pylon is not
pointing in their direction. Otherwise there is a
hardware failure.
FLIP
MASTER microprocessor is getting intermittent
blockage of the curtain due to weak signals and is
fl ip-fl opping between GREEN and RED. Re-align
the pylons.
Illegal code
MASTER has come across an illegal machine
language code inside the ROM of the CPU (this
could indicate a bad CPU chip).
Improper operation
MASTER has determined that there has been an
improper operation in the CPU and has reset for
safety.
Initializing memory
The SLAVE has determined that the EEPROM
memory chip does not contain the proper setup
values and will attempt to initialize it. This message
should only occur during the fi rst time power up. If
you get this any other time, it could mean a faulty
memory chip or a glitch in the power.
Internal relay bad/missing
One of the Internal relays has a contact that is not
open or closed and is determined to be missing.
Check for faulty relay contacts or relay position
circuitry.
Internal relay is not energizing
Internal relay found in the de-energized state when
it should have been on. Replace faulty relay or
hardware failure.
Internal relay is stuck on
Internal relay found in an energized state when
it should have been off. Replace faulty relay or
hardware failure.
MBLK
MASTER has detected that the pulse width coming
from all the receivers is too wide and has determined
that the pylons are too close together ( < 1’ ). Turn
the pylons away from each other slightly.
Mute-out switch fault
The proper sequence of limit switch closures was
not correct and so the unit shut down. This could
also be due to excessive noise getting into the PLC
lines causing misinformation.
No ACK from memory
No signal received from memory chips. Faulty
memory chip.
No clock line detected
SLAVE microprocessor could not detect this signal
line from the MASTER during a normal scan of the
curtain. Check for a faulty circuit in the computer
board.
No data line detected
Slave processor could not detect a signal from the
Master processor. Hardware failure.
No emitter line detected
Slave processor could not detect a signal from the
Master processor. Hardware failure.
No more error codes
This code appears after all previous error codes in
memory have been recalled and displayed. Push
the FN1 key to restart unit.
Open LED in emitter pylon xxy
An LED in Emitter pylon was found not fi ring. xx
indicates board number in 4” increments from
circular connector; y indicates beam number of
that particular board (1 to 8). Could also be a faulty
cable, computer board, or R27 on the computer
board has burned open.
Power failure reset
SLAVE has reset due to either a power loss or some
condition that caused the SLAVE to lockup, in which
case the watchdog reset it.
RAM failure
On-board memory has failed a memory test. CPU
failure.
Receiver length fault
The length of the Receiver pylon does not match
the jumpers in the Controller Module. Check L0 –
L3 in the Controller Module. Route Receiver cable
away from power cables. Check the Amp loading
passing through the STOP circuit. Otherwise there
is a hardware failure.
Receiver Oscillating xxy
Too many signals were received at one channel
input. Light curtains nearby are affecting this
curtain. Electrical noise or hardware failure.
Reset held down
You have held the reset button down too long. The
SLAVE is trying to communicate with the EEPROM
memory chip.
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