Nordson iDry Series, Руководство по эксплуатации продукта

Страница: 48 / 57

Nordson iDry
r
Series Induction Dryers
42
Part 1075452 − 04
E 2016 Nordson Corporation
Corrective Action Possible Cause Problem
4. Actual temperature
reading erratic, over
or under setpoint
Thermocouple worn or defective Replace the thermocouple. Refer to
Thermocouple Replacement in the
Repair section.
5. COILTRAY LID OPEN
fault
Coil tray lid or control enclosure
doors open
Close and lock lid and doors. Adjust
door interlock switch.
6. AIR HEATER FAIL
fault or air heater not
heating air flowing
into coil tube
Fuses 5A and 5B, 6A and 6B, 7A
and 7B open
Test fuses, replace if blown.
NOTE: Fuses are application
specific, some systems do not
require fuses 6 and 7.
Broken heater element or thermal
one-shot opened
Replace heater.
Heater housing thermostat open Shut down system. Heater will
auto-reset on cool down. Check air
filter to ensure air flow is not reduced
by dirty filters.
7. COOLING AIR FAIL
fault
Obstructed or dirty air filter Remove any obstructions that might
impede air flow, replace filter if dirty.
Fuse F8 open Test fuse, replace if blown.
Rear access panel loose or
removed
Install access panel properly.
8. Temperature
overshoots on startup
Incorrect ramp mode power level
adjustment
Adjust setting (page 21).
9. System stays in Ramp
Mode (Never switches
to Run Mode ON)
Motion timer set too short to
compensate for line jogging and
surges or ramp timer set too long
Increase motion timer setting
(page 23) or decrease ramp timer
setting (page 23).
10. INVERTER OVER
TEMP fault
Rear access panel loose or
removed
Install access panel properly.
Obstructed or dirty air filter Remove any obstructions that might
impede air flow, replace filter if dirty.
Obstructed air flow under dryer Remove any obstructions that might
impede air flow.
11. PRODUCT TEMP
HIGH fault
Ramp power setting too high Adjust setting (page 21).
Motion timer setting cannot
compensate for line jogging that
keeps system in Ramp mode,
overheating cans
Adjust setting (page 23).
12. PRODUCT TEMP LOW
fault
Ramp power setting too low Adjust setting (page 21).
Fuse F1B open Test fuse, replace if blown.
13. LINE PHASE LOSS
fault
Fuse F2A, F2B, F2C open Test fuses, replace if blown.
14. RF BOARD FAULT Occurs with one or more of
following faults: Inverter Over
Current, Tank Voltage High or Low,
Inverter Out Of Lock
DISCONNECT AND LOCKOUT
POWER BEFORE PROCEEDING!
Perform diagnostic test on power
processing subsystems.
Continued...