Diagnostics And Troubleshooting; Error Displays Of The Operating State Leds - Leuze electronic DDLS 538 Series Original Operating Instructions

Diagnostics and troubleshooting

8 Diagnostics and troubleshooting
What to do in case of failure?
The LED displays in the control panel provide information about possible warnings or errors (see chapter
3.3.1 "Indicators and operational controls in the control panel"). Using the LED displays, you can determine
the causes and initiate rectification measures.
NOTICE
Contact Leuze subsidiary/customer service!
Ä If the specified measures are not successful, contact the responsible Leuze subsidiary or
Leuze customer service (Service and support).
8.1

Error displays of the operating state LEDs

Tab. 8.1: PWR LED displays – Causes and measures
LED Color
PWR ---
Red
Red
Tab. 8.2: TMP LED displays - Causes and measures
LED Color
TMP Orange Continuous
Red
Note
Data transmission remains active if above or below the operating temperature.
An operating hour counter is started internally that records the operating time outside of the specified
operating temperature.
In this case, the laser diode is excluded from guarantee services.
Leuze electronic GmbH + Co. KG
State possible causes
OFF No supply voltage
Hardware error
Flashing Ambient temperature too high
Warning message set:
temperature warning
Continuous Device error
light
State possible causes
The operating temperature is
light above or below the specified
range by up to 5 °C.
Continuous The operating temperature is
light above or below the specified
range by more than 5 °C.
Measures
Check supply voltage.
Contact Leuze customer service (Service
and support).
Initiate measures for lowering the ambient
temperature.
Contact Leuze customer service (Service
and support).
Measures
Check ambient temperature.
• Initiate measures for lowering the am-
bient temperature.
Check ambient temperature.
• Initiate measures for lowering the am-
bient temperature.
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