Technical data

SED2 Operation & Maintenance Manual
62 Siemens Building Technologies, Inc.
Error Cause Diagnosis/Remedy Reaction
F0024, Rectifier
overtemperature
• The ventilation is
inadequate.
• The fan is inoperative.
• The ambient
temperature is too high.
Check the following:
• The fan must turn when the
SED2 is running.
• The pulse frequency
(P1800) must be set to
default value 4 kHz.
F0030, Fan Fault
• The fan no longer
works.
The fault cannot be masked while the
options module (BOP or AOP) is
connected.
Replace the fan.
Off2