![Duplo DC-646 Instruction Manual Download Page 191](http://html1.mh-extra.com/html/duplo/dc-646/dc-646_instruction-manual_2540219191.webp)
2
171
Troubleshooting
When Service Call Messages Appear
5
Message
Status and Solution
Status: Memory read error.
Solution: Turn OFF the power and then turn ON again in a few
seconds. If the same error message remains displayed, write
down the message and contact our service person.
Status: Memory communication error.
Solution: Turn OFF the power and then turn ON again in a few
seconds. If the same error message remains displayed, write
down the message and contact our service person.
Status: Communication error in the DC-646.
Solution: Turn OFF the power and then turn ON again in a few
seconds. If the same error message remains displayed, write
down the message and contact our service person.
Status: The cooling fan stopped.
Solution: Turn OFF the power and then turn ON again in a few
seconds. If the same error message remains displayed, write
down the message and contact our service person.
E04-*
MEMORY ERROR
E04-*
Contact service
person
E05-*
MEMORY ERROR
E05-*
Contact service
person
E06-*
I/O COM
E06-*
Contact service
person
E07-*
COOLING FAN LOCK
E07-*
Contact service
person