Section 6 - TROUBLESHOOTING
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© Copyright 2006 PREO SRL
All rights reserved
EAW530E2MV
Edition
03/2006
Section 6
TROUBLESHOOTING
6.1 INTRODUCTION
This section helps to identify possible anomalies that may occur during use of the
system.
If a malfunction occurs, the red light comes on and automatically generates the
following conditions:
• consensus is removed
• the motor switches off
• the signal +24r is taken away
• all the heating elements are switched off
At the same time as the aforementioned conditions come into play, error messages
will appear on the display, described in greater detail in the next paragraph.
6.2 ERROR MESSAGES
ERR message: indicates a generic ERROR situation. The message appears on the
display when one of the components is not operating correctly. The malfunction
could be caused by certain factors, such as: incorrect or missing electrical
connections, burnt out fuses, faulty probes, short-circuited heating elements, burnt
electrical cards.
O_T message: indicates an OVER TEMPERATURE situation. The message appears
when the safety thermostat intervenes, stopping heating completely.
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