Troubleshooting (continued)
Condition 1:
Applicator
will not heat
? 3M 2006
Important:
Applicator must be cooled to room temperature for step 14.
14. Check continuity of the thermistor. First, disconnect the thermistor
lead from terminal number 1 of the upper terminal block (TB2)
(see Figure S). Using an ohmmeter, measure between the
disconnected thermistor lead and terminal number 2 of terminal
block TB2 (see Figure S).
Important:
Thermistor lead must be disconnected for this test.
Measured value between the disconnected thermistor lead and
terminal number 2 should be between .65 and 1.25 Mega-ohms.
If measured value is not within this range, replace the defective
thermistor assembly by ordering 3M? Thermistor Kit
#62-9680-9733-7.
If measured value is within the acceptable range, reconnect the
previously disconnected thermistor lead to terminal number 1 of
terminal block TB2 (see Figure S) and proceed to the next step.
15. Check the power cord for obvious wire damage. If damage is
observed, replace the power cord by ordering 3M? Power Cord Kit
#62-9680-9920-0.
If no damage is observed, check the electrical continuity of the
power cord wires (steps 15A and 15b).
a. Using an ohmmeter, check for continuity between terminal
number 1 (black wire from cord) on the lower terminal block
TB1 and the AC line terminal on the applicator plug
(see Figures T and U).
White wire
Black wire
Figure T
20
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