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PRC message
Possible causes
Failure K2
K2 on, but no voltage downstream of K2. Open circuit, main
contacts K2. SUE487 failure. Open circuit terminal 4-GND3.
RS-485 fault
Undefined characters on the BMS bus. There is more than one
master in the network. More than one slave has the same
address. Interface (A,B) polarity is incorrect.
No MASTER
There is no master. No alarm indicator and test combination or
operator panel connected. Bus line interrupted.
EEPROM fault
Defective EEPROM or impermissible value stored in EEPROM.
CV460 fault
Settings made in SETUP OPTION menu, even though no CV460
is connected.
RK474 fault
Settings carried out in the SETUP OPTION menu, although no
RK474 was connected.
You can find additional information on messages in the instruction leaflets for the "PRC487
control device" and "107TD47 A-ISOMETER
list, circuit documentation" of this operating manual.
6.2 Fuses F1...F11
If fuses F1 to F11 are tripped, there may be a defect in the changeover module.
These fuses should only be replaced following consultation with Bender.
Caution
Data for fuses F1 to F11
Tripping current................................................................................................................................................4 A, time lag
Breaking capacity ........................................................................................................................................................ 10 kA
ELU type ...................................................................................................................................................................189140
Dimensions.....................................................................................................................................................6.25 x 32 mm
24
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" in chapter "9. Manufacturer's certificate, check-
Trouble shooting
TGH1322en/06.2009
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