User Manual EML1101
Troubleshooting
17.5 Sources of error
Error Possible
causes
No bus access possible
a) Correct bus setting?
b)
Channel A, B interchanged?
c) Screening on the master (EMIS 1500,…) and EML
grounded. The screening should be grounded at one point
only.
No modem connection possible
a) EML- Modem has
not been configured with a terminal
program with
b
aud rate set to 9600
.
b)
Incorrect command order during the configuration
Individual bus faults
a)
Are the FRAKO Starkstrombus
and the Add-on bus
connected ? (Contacts 1-3 and 4-6)
Solution: Disconnect buses. There should be no connection
between the two.
EMD X
not active
a) EMD set to wrong bus address
b) Channel
A, B
confused
c)
No power on EMD
Display is difficult to read
There is an adjustment screw for the display contrast in the
contact compartment. Turn this until the display can be read
Channels are not switched by
control
a)
Always OFF/Always ON instead of controlled
b) They are switched ‘time controlled’ by the EMT1101
All channels are OFF
a) Peak power set too low
Solution:
Enter a value that
is so high that the present peak
does not lead to deactivation (see
b) Peak power and target maximum demand confused during
setting (
Time gaps in the days power curve Was the clock changed in the time period in question?
Check: Printout of the event list (see section 9.9)
It is not possible to set the min. Off
time.
max. OFF times< desired setting
Solution:
First enlarge max. OFF time
A group does not appear in load
settings.
Preference must be set to power
Solution:
First set power preference
Preference does not appear in load
settings
Group of this load must be entered as 0
Solution:
First set group =0
Contact 1-3
Reset
reactance
To printer
Adjustment
screw
31
