Section 7 Troubleshooting - NUVE TK 120 User Manual

7. SECTION
TROUBLESHOOTING
If the instrument fails to operate, check the followings:

The plug is plugged-in properly,

The on / off switch is on,

The plug is not defective,

The mains supply is present.

Fuses are sound,

The installation of the plug is not defective,
If the instrument does not heat, check the followings:

The program is started,

The safety thermostat is adjusted to a temperature higher than set temperature.

Temperature value is set correctly.

The chamber is not overloaded.

The door is closed properly.

The ambient temperature is suitable.
If the instrument does not reach the set humidity level, check the followings:


The set value is set correctly.

The chamber is not overloaded.

The door is closed properly.
Errors Recognised By The Control System
Over heat: If the temperature inside the chamber exceeds the set temperature over 20C "
warning appears beside the temperature value. In this case, press "F4" key that corresponds to
"HELP" the expression to see explanation of the error.
The window turns back to stand-by position if you wait for 15 seconds or press "F4" key that
corresponds to "EXIT" expression.
OVER HEAT
CALL SERVICE
SET: 30.4
ACTUAL: 50.4
EXIT
19
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