User guide

Troubleshooting
Before beginning. . . . . . . . . . . . . . . . . . . . 6-2
A few words of caution . . . . . . . . . . . . . . 6-3
DIAGNOSTICS
How to identify the cause of a problem . . . . 6-4
Shutdown alarms . . . . . . . . . . . . . . . . . . 6-5
Passive alarms . . . . . . . . . . . . . . . . . . . . 6-9
Dewpoint troubleshooting . . . . . . . . . . . . . 6-15
Poor material drying troubleshooting . . . . . 6-16
REPAIR
Replacing fuses. . . . . . . . . . . . . . . . . . . . 6-21
Checking heater solid state relays . . . . . . . 6-22
Checking or replacing temperature sensors . 6-23
Replacing the regeneration heater
(W600-1000) . . . . . . . . . . . . . . . . . . . 6-24
Replacing the regeneration heater
(W1600-2400) . . . . . . . . . . . . . . . . . . 6-26
Replacing the regeneration heater
(W3200-5000) . . . . . . . . . . . . . . . . . . 6-28
Replacing the desiccant wheel
assembly (W600-1000) . . . . . . . . . . . . 6-30
Replacing the desiccant wheel
motor (W600-1000) . . . . . . . . . . . . . . 6-32
Replacing the desiccant wheel
motor (W1600 - 5000) . . . . . . . . . . . . 6-33
SECTION
6
6
Troubleshooting
Troubleshooting l 6-1