Alarms - Siemens SIMATIC OP7 Manual

6

ALARMS

WARNING!
Each time an operation is carried out to eliminate an alarm, a RESET must be carried out by pressing the ACK
key on the OP7 operator panel.
If the cause of the alarm has not been eliminated, the message on the display will disappear, whereas the led
light showing that an alarm has been triggered remains switched on.
MESSAGGE
START SWITCH OFF ALARM
POWER SUPPLY LACK ALARM
SAFETY THERMOSTAT ALARM
WATER LACK ALARM
SERVICE MAX TEMPERATURE ALARM
THERMAL PROTECTION HIGH STAGE
COMPRESSOR ALARM
THERMAL PROTECTION LOW STAGE
COMPRESSOR ALARM
MAX PRESSURE HIGH STAGE COMPRES-
SOR ALARM
MAX PRESSURE LOW STAGE COMPRES-
SOR ALARM
MIN USER TEMPERATURE ALARM
MAX USER TEMPERATURE ALARM
MOTOR PROTECTION ALARM
NOT AVAILABLE IN PROGRAMME MODE
Some of the displayed messages will differ from those shown here according to the machine version.
In this case only remember the messages shown on your display.
If any further instructions are necessary, they will be attached to this handbook.
SOLUTION
• Switch on the START switch
• Check that the mains supply is available
(only for chambers equipped with a UPS no-break power group)
• Contact your technical assistance service
• Reset humidification water supply
• Contact your technical assistance service
• Contact your technical assistance service
• Contact your technical assistance service.
• Contact your technical assistance service
• Contact your technical assistance service
• Check the value set on the minimum thermostat (it must be higher
than the set-point).
• Check the value set on the maximum thermostat (it must be
higher than the set-point).
• Reset the magnetothermal switch that has triggered off; if another
alarm sets off, contact the ANGELANTONI Industrie SpA technical
assistance service.
• The K2 key has been pressed during an automatic running of a
programme.
Press K2 (the led light will switch off).
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