7 Fault Diagnostics and Measures
72 YASKAWA TOEP C730600 97C LCD Keypad Installation Manual
Code Name Causes Possible Solutions
CPF00
Control Circuit
Error
Communication with
the keypad is not
possible seven seconds
after power is turned
on.
Refer to the following causes
and solutions.
Keypad cable
connector is not
connected properly
• Remove the keypad and
connect it again.
• Replace the cable if
damaged.
Faulty keypad Replace the keypad.
Drive control circuit
error
• Re-energize the drive.
• Replace the drive.
CPF01
Control Circuit
Error
After start of
communication with
the keypad, a
communication error
occurred for
approximately five
seconds.
Refer to the following causes
and solutions.
Keypad cable
connector is not
connected properly
Remove the keypad and
connect it again.
Faulty keypad Replace the keypad.
Drive control circuit
error
• Re-energize the drive.
• Replace the drive.
oPr
Keypad
Connection
Fault
The keypad is not
securely connected to
the connector on the
drive.
Examine the connection
between the keypad and the
drive.
The connection cable
between the drive and
the keypad is
disconnected.
• Remove the keypad and
then reconnect it.
• Replace the cable if
damaged.
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