Shutdown screen, element outlet temperature
The above screen shows that the temperature at the outlet of the element is 117 ˚C. Actions:
• Switch off the voltage and remedy the problem cause.
• After remedying and when the shutdown condition has disappeared, switch on the voltage
and restart the unit.
Other shutdown causes
In case the unit is shut down (or cannot start) by one of following causes:
• Too high element outlet temperature, detected by temperature switch (TSHH11) or
additional temperature switch (TSHH21).
• Overload of the motor (M1) or the fan motor (M2).
• Incorrect phase sequence, detected by phase sequence relay (K25).
The unit will be shutdown, alarm LED (1) will flash, automatic operation LED (3) will go out and
following screen will appear:
Shutdown screen, overload
Actions:
• Switch off the voltage and remedy the problem cause.
• In case of incorrect phase sequence, reverse two phases of the supply cable.
• If the additional temperature switch (TSHH21) has tripped, you must contact the Atlas
Copco customer center.
Instruction book
2920 7109 51 37
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