SICK GM35

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8009389/YN39/V3-0/2015-08| SICKOPERATING INSTRUCTIONS|GM35
Subject to change without notice
TROUBLESHOOTING AND CLEARING MALFUNCTIONS
10.3.5 Warning messages for the measuring probes
10.3.6 Further tips on troubleshooting
Troubleshooting on the evaluation unit
Fig. 69: LED displays, signals and fuses on the evaluation unit
Service requirement–
message on the EvU
Component/possible causes Clearance
El too hot Electronics too hot. ▸ Improve GPP cooling.
Heater defect Heater defective. ▸ Repair heater.
Heating too low
Setpoint temperature not
reached.
▸ Set setpoint temperature
lower.
▸ Contact Service.
I_Heat < 1.5 A
Heating current too low
(GPP).
▸ Check heating control cable,
repair when necessary.
I_Heat no signal No heating current (GPP). ▸ Check heating control.
P no signal
No signal from pressure
sensor.
▸ Check pressure sensor cable,
repair when necessary.
P out of range Pressure sensor without
valid measured value.
▸ Check pressure sensor, repair
when necessary.
[ t ] no signal No signal from temperature
sensor.
▸ Check temperature sensor
cable, repair when necessary.
Relay outputs 1...4
Analog output
Fuses
2.5 AT, 250 V
Operating voltage:
230 V AC – no jumper
115 V AC – jumper
5 V DC
LEDs light up:
Internal voltage supply
present
24 V DC
LEDs light up when
inputs are connected,
i.e. a signal is available.
Digital inputs 1, 2 and 3