Watlow CLS200 - Manual (Page 184)

Chapter 9: Troubleshooting and Reconfiguring CLS200 Series User’s Guide
168 Watlow Anafaze Doc.# 0600-3050-2000
Corrective and Diagnostic Procedures
The following sections detail procedures you may use to di-
agnose and correct problems with the controller.
Low Power
If the controller displays LOW POWER or the display is not lit:
1. Acknowledge the alarm.
2. If the error message remains, turn the power to the
controller off, then on again.
3. If the error message returns, check that the power
supplied to the controller is at least 12.0V
Î (dc) @ 1 A.
See Wiring the Power Supply on page 25.
4. If the error message returns again, make a record of
the settings if possible (using software). Then, perform
a
NO-key reset (see NO-Key Reset on page 176).
5. If the error is not cleared, contact your supplier for fur-
ther troubleshooting guidance. See Returning Your
Unit on page 164.
Battery Dead
The dead battery alarm indicates that the CLS200 battery
is not functioning correctly or has low power or no power. If
this alarm occurs, parameters have reset to the factory de-
fault settings.
NOTE! The controller will retain its settings when
powered. The battery is required to keep the
settings in memory only when the controller
is powered down.
If the controller displays BATTERY DEAD:
1. Acknowledge the alarm.
2. If the error message remains, turn the power to the
controller off, then on again.
3. If the error message returns when power is restored,
perform a
NO-key reset. See NO-Key Reset on page 176.
4. If the error is not cleared, contact your supplier for fur-
ther troubleshooting guidelines. See Returning Your
Unit on page 164.
Ambient Warning
The ambient warning alarm indicates that the ambient
temperature of the controller is too hot or too cold. Ambient
warning occurs when the controller’s temperature is in the