Nordson 2302 - 12. Tank, Hose or Gun Fails to Heat or Underheats

Troubleshooting
6-13
12. Tank, hose or gun
fails to heat o,r underheats
Problem
I. Incorrect
setting
Possible Reason
Misadjustment
Corrective Action
Reset controller and resume normal
operation
Refer to
Section 4
!. Circuit breaker Faulty tank thermostat
Replace tank thermostat
Section 7
will not stay To check:
on even after
With power off, thermostat has
repeated
continuity (stays closed) at less than
attempts to 45O’F (230%)
reset
(if circuit
Faulty circuit breaker Replace circuit breaker Section 7
breaker stays To check:
on, go to step
With power off, thermostat has no
4
continuity (opens) at less than 45O’F
(23O’C)
3. Low voltage at
Faulty input power supply
Troubleshoot and fix input power
input terminal
To check:
supply to applicator
block (TBl)
Normal voltage on 200 VAC
applicator = 170 - 200 VAC line-to-line
Normal voltage on 230 VAC
applicator = 194 - 254 VAC line-to-line
Normal voltage on 220/380-Y VAC
applicator = 198 - 242 VAC
line-to-neutral
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PIN 106 701A
41-2300SP - 1194