Troubleshooting
20
309832D
Troubleshooting
Problem
Cause
Solution
Front panel not lit.
Unit not plugged in or turned on.
Plug in unit. Turn on/off switch ON.
Wire harness connections not con-
nected or need replacing. Fuse dis-
connected or needs replacing.
Check all power supply connections
to the front panel. Replace if neces-
sary, see
Replacing front panel
,
page 25. Check fuse with ohmmeter,
replace if necessary.
Open Sensor LED is activated and
flashes RED. Affected zone LED will
flash RED.
Sensor condition is detected in the
applicator, melt unit, and/or hose.
Check hose and applicator electrical
connections. Make sure pins are
lined up correctly and are secure.
Check tank thermistor assembly with
ohmmeter, which should read
approximately 100,000 ohms at room
temperature. Replace if necessary,
see
Replacing thermistor assem-
bly
, page 33.
Check hose thermistor assembly with
ohmmeter. Replace hose. See
Replacing hose
, page 23.
Check applicator thermistor assem-
bly. See appropriate applicator man-
ual.
Unit circuit breaker, on/off switch is
tripped.
Operator significantly lowers tank set
temperatures after tank has reached
set temperature.
Turn the circuit breaker ON and
quickly press temperature increment
, increasing desired tank temper-
ature.
Allow tank to cool below or equal to
operator’s set temperature.
Содержание THERM-O-FLOW T7 Series
Страница 36: ...Parts 36 309832D Parts Housing assembly 1 2 3 4 5 7 6 8 ti5398a 8 10 9 13 12 11 14 15 16 17 ...
Страница 41: ...Parts 309832D 41 ...
Страница 46: ...Schematics 46 309832D Base wiring ...
Страница 49: ...Technical Data 309832D 49 ...