5-3
Memory lost?
POWER ON
Proper product
connected?
Model name and
program version
are same as those
in MA-660A memory?
MA-660A does not support the connected product, communication cable is broken, or wrong connection is made.
There is no program in memory.
"CONNECT IMPOSSI
BLE" blinks.
Unusable
Wait for several minutes to overwrite
memory to support product connected.
MA-660A is now working as program unit of product con-
nected. See operation manual of the connected product.
NO
YES
NO
YES
NO
YES
NO
(1) Check product
connected.
(2) Check communi-
cation cable.
TORUBLE (MA-660A)
CODE MESSAGE
E-M1 COMMUNICATION LINE ERROR
MA-660A PROGRAM CHECK
CONNECT MEMORY
ISB-300A [V00-00A] PROGRAM ERASED
MA-660A (ISB-300A )
[V00-01A]
CONNECT IMPOSSIBLE
OVER WRITE NO
Rewrite program in
memory? (Turn on the
power with pressing
CURSOR key.)
MA-660A PROGRAM CHECK
CONNECT MEMORY
ISB-300A [V00-00A] ISB-300A [V00-01A]
MA-660A (ISB-300A ) MA-660A (ISB-300A )
[V00-01A] [V00-02A]
CONNECT IMPOSSIBLE
OVER WRITE NO
MA-660A PROGRAM CHECK
CONNECT MEMORY
ISB-300A [V00-00A] ISB-300A [V00-00A]
MA-660A (ISB-300A ) MA-660A (ISB-300A )
[V00-01A] [V00-01A]
OVER WRITE NO
Erase former data
and write program
version of connect
ed product?
OVER WRITE ?
Erase former data
and write program
to support newly
selected product?
OVER WRITE ?
Make it support
the currently con-
nected product?
OVER WRITE ?
NO
NO
OK
YES
YES
Flowchart of O
eration after Power is Turned on
5. Explanation of Operation
5-3
MA-660A
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