![Kostal PIKO 36 EPC Operating Manual Download Page 73](http://html1.mh-extra.com/html/kostal/piko-36-epc/piko-36-epc_operating-manual_1999378073.webp)
73
4
© 2017 KOSTAL Solar Electric GmbH
Operation and operating the device
Event
code
LED
display
Type of event
Description/
possible cause
Measure
4151
External grid fault
Grid frequency too low
Check the installation
1
4157
External grid fault
Increased grid frequency
No action necessary
1
4158
External grid fault
Increased grid frequency
Check the installation
1
4159
External grid fault
Increased grid frequency
Check the installation
1
4160
External grid fault
Increased grid frequency
Check the installation
1
4161
External grid fault
Grid frequency too low
Check the installation
1
4170
Information
One phase is not connected. A
miniature circuit breaker was not
switched on.
Check the installation
1
4200
External grid fault
Increased supply voltage
Check the installation
1
4201
External grid fault
Supply voltage too low
Check the installation
1
4210
External grid fault
Increased supply voltage
Check the installation
1
4211
External grid fault
Supply voltage too low
Check the installation
1
4220
External grid fault
Voltage mean value of the last
10 minutes too high
Check the installation
1
4221
External grid fault
Voltage mean value of the last
10 minutes too high
Check the installation
1
4290
External grid fault
The grid frequency has changed
too quickly.
Check generator installation
1
4300
Internal system fault
Internal system fault
Support
1
4301
Internal system fault
Internal system fault
Support
1
4302
Internal system fault
Internal system fault
Support
1
4303
Internal system fault
Internal system fault
Support
1
4304
Internal system fault
Internal system fault
Support
1
4321
Internal parameteriza-
tion fault
Defective EEPROM, forbidden
memory access
Support
1
4322
Internal parameteriza-
tion fault
Software error
Contact support
4323
Internal parameteriza-
tion fault
Residual current
Support
1
2
3
4
6
7
8
9
10
11
1
5