Pfaff EcoDrive P40 ED Instruction Manual page 31

Error
Cause
code
E069 No increments
E070 Motor blocking
E071 Incremental transmitter of motor
not connected
E074 No synchronization impulse from
sewing head
E088 RAM defective
E092 Start inhibitor running during drive
E173 Motor not connected
Remedy
Contact service
Check machine for binding
Check plug of incremental transmitter
Check transmitter
Contact service
Check end switch
Check motor connection
Sewing
31