S
YSTEM
A
LARMS
UGH015/0100
Thermolator TW-1 and TW-2
T
ROUBLESHOOTING
6-11
Alarm
RAM hardware
failure.
ROM, checksum
failure.
COP failures.
Illegal Opcode.
through
Software cannot
write to CPU non-
volatile memory.
Cause
Electrical noise or failed
CPU on the motherboard
caused system write tests
do fail during power up.
The CPU and/or PROM
chip (U1 or U2) is not
making good contact with
its socket, or the PROM
chip has failed.
A failed CPU, failed moth-
erboard, software bug or
electrical noise caused an
internal software error.
The CPU tried to execute
an illegal software instruc-
tion due to electrical noise
or a failed motherboard.
A failed CPU, failed moth-
erboard, software bug or
electrical noise caused an
internal software error.
The memory has exceeded
its usable life or there is a
software bug. This error
occurs only after changes
have been made to non-
volatile memory either
through the operator panel
or SPI.
Solution
Make sure all connections on
the motherboard are solid.
Operate unit in a noise free
environment. If error persists,
contact Conair service.
Make sure the CPU and PROM
chips are seated correctly in the
sockets. If error persists, contact
Conair service.
Cycle power to the unit. If the
problem persists, contact Conair
service technicians. You may
need to replace the mother-
board.
Make sure all connections to
the motherboard are solid and
that the unit is operating in a
noise free environment. If error
persists, contact Conair service.
Cycle power to the unit. If the
problem persists, contact Conair
service technicians. You may
need to replace the mother-
board.
Cycle power to the unit.
Contact Conair service if an
operating parameter such as the
setpoint is not being saved or if
this error persists.
The Thermolator has detected a non-recoverable error involv-
ing he microprocessor control.
◆
The Alarm LED lights and the STOP/RUN LED flashes red.
◆
The Thermolator shuts down or will not start.
◆
The control displays an error code indicating the source of
the problem.
001
ERR
003
ERR
002
ERR
004
ERR
006
ERR
005
ERR
015
ERR
014
ERR
016
ERR
Содержание Thermolater vacuTrac
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