Factory settings
Page 28
RES-402
Version 1
8
Factory settings
The RESISTRON
®
temperature controller RES-402 is configured in the factory as follows:
Total short-circuit
- Heatsealing band installed incorrectly, insulation at
heatsealing bar ends missing or incorrectly installed
- Conducting part bypasses heatsealing band completely
U
R
signal incorrect
- Up to Dec. 2005: DIP switches 1 - 3 configured incorrectly
(U
2
range)
- As of Jan. 2006: U
2
outside permissible range from
0.4…80VAC
I
R
signal incorrect
- Up to Dec. 2005: DIP switches 4 + 5 configured incorrectly
(I
2
range)
- As of Jan. 2006: I
2
outside permissible range from
30…500A
Turns through current transformer
incorrect
- Check number of turns (two or more turns required for
currents < 30A)
Internal controller fault
- Hardware fault (replace controller)
DIP switches
for
secondary voltage
U
2
and current I
2
(up to December
2005)
U
2
= 6…60VAC
I
2
= 30…100A
DIP switches:
2 ON
1, 3, 4, 5 OFF
These switches are automatically set by
the AUTORANGE function on all control-
lers manufactured as of January 2006.
Fault area
Explanation
Possible causes
3
2
1
4 5
ON
OFF
