How to Identify the Cause of a
Problem
Dryer alarms are indicated by an illuminated Acknowledge Alarm light on the W
Series Dryer control panel. Shutdown alarms will energize optional audible and
visual alarm indicators.
A problem can trigger two types of alarms:
• Shutdown: The dryer has automatically shut down because it has detected a
serious problem that could damage your material or dryer.
• Passive: The dryer continues to operate, but warns of a problem that could
prevent correct drying of your material. If ignored, this problem could lead to a
condition that will shut down the dryer.
When the alarm light is displayed:
1 Press the Acknowledge Alarm button once to silence the optional audible
alarm and display the alarm message. Pressing the Acknowledge Alarm but-
ton once also changes the alarm LED from blinking to solid.
2 Find the error message in the diagnostics table of this Troubleshooting
section. Use information provided to diagnose and resolve the cause of the
alarm.
3 Note that, after correcting the problem, pressing the Acknowledge Alarm
button a second time will clear the alarm. If the alarm reappears,
the cause has not been resolved.
NOTE: When the dryer detects abnormally high temperature in the process heater, the
dryer immediately shuts down and an error message appears in the display window.
6-4 l Troubleshooting
Regen. Heater
2 Regen. Temp.
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