54
RCM 202-AB
www.janitza.de
54
RCM 202-AB
14 Troubleshooting
ATTENTION
Faults that arise can be relevant to safety.
They must be eliminated immediately by using approved spare parts or de-
vices from the manufacturer/sales partner, if necessary.
Error messages and device errors are displayed by the LED and text messages and
can be output via the digital outputs.
The measured values and current operating and error conditions can be transmitted
via the RS485 interface (Modbus) to the display and evaluation devices as well as be
connected to the building control system.
14.1 Errors and their remediation
ATTENTION
If a fault cannot be eliminated, please contact the Service department.
NOTE
If multiple possible causes are indicated for a text message, these can occur
at the same time or individually.
Error pattern:
The RCM 202-AB housing is warm
NOTE
The RCM 202-AB housing warms up during operation up to 45
°C. Carry
out the following troubleshooting only when the housing temperature is
higher than 45
°C.
Cause:
Device error
Remediation:
Disconnect the plug for the power supply from the N/L connection. The power
supply for the RCM 202-AB is interrupted.
Contact the Janitza electronics GmbH Service department to replace the de-
fective RCM 202-AB.
Summary of Contents for RCM 202-AB
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