UGH015/0100
Thermolator TW-1 and TW-2
T
ROUBLESHOOTING
6-7
S
HUT
D
OWN
A
LARMS
The Thermolator has detected a problem that could lead to equip-
ment damage or personal injury if it is not corrected.
◆
The Alarm LED lights and the STOP/RUN LED flashes red.
◆
The Thermolator automatically shuts down.
◆
The control displays a red LED or alarm code indicating the
source of the problem..
Alarm
The incoming
power is out of
phase. A leg may
have failed or is
disconnected.
NOTE:
This alarm
is available only on
TW-2 models.
Pump fuse.
Heater fuse.
Cooling valve fuse.
Vent valve fuse.
Purge valve fuse.
Possible cause
Is the pump rotating in
the wrong direction?
Has one of the main sup-
ply wire leads become
disconnected?
Has the indicated device
blown a fuse?
Is the correct device
being used for this fuse
location?
Has the motherboard
output channel at the
designated fuse failed?
Solution
Check pump rotation against
the arrow stamped on the
pump. If the pump is rotating
in the wrong direction, discon-
nect and lockout the main
power source. Open the electri-
cal enclosure, and reverse
any two leads on the power
connection.
Disconnect power and open
the electrical enclosure. Check
for loose connections in main
supply and on motherboard.
Disconnect and lockout the
main power. Open the electri-
cal enclosure. Check for loose
wires and incorrectly installed
jumpers or terminal blocks
associated with the fuse error.
Replace the fuse, if necessary.
Replace the fuse, then enter
Test Mode. Turn off the Output
Monitor associated with the
fuse location and test outputs.
M
AINTENANCE
section.
Replace the motherboard.
See
Checking and Replacing the
Motherboard.
Err
PHS
002
FUS
003
FUS
004
FUS
005
FUS
006
FUS
Summary of Contents for Thermolater vacuTrac
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