Toshiba H7 - Page 188

H7 ASD Operation Manual 181
EPH O Output Line Loss This fault occurs when one
or more of the output power
lines from the ASD are
inactive or missing.
• Output power line from the
ASD is not connected to the
motor.
•A U, V, or W fuse is open
(blown).
•A U, V, or W contactor is
open.
•A U, V, or W HCT is
defective.
• Ensure that the motor
leads are connected
properly and securely.
• Measure the individual
running current of the U,
V, and W leads (no
current = problem line).
ERR2 Main RAM Fault This fault is caused by
corrupted RAM data or an
inability to read the RAM
data.
• Defective RAM. • Make a service call.
ERR3 Main ROM Fault This fault is caused by
corrupted ROM data or an
inability to read the ROM
data.
• Defective ROM. • Make a service call.
ERR4 CPU Fault This fault is caused by a
CPU malfunction.
• Defective CPU. • Make a service call.
ERR5 Communication
Interruption Fault
This fault is caused by an
inability of the ASD to
communicate with an
optional device or another
ASD in a master/follower
configuration.
• Corrupted data at the master
ASD.
• Broken or improper
connections associated with
the setup.
• Improper setup information
at the follower device.
• Ensure that the master
ASD is programmed
properly.
• Ensure that the
connections are correct
and secured.
• Confirm all
communications settings.
ERR6 Gate Array Fault This fault results when a
given input to the gate array
results in an unexpected
output.
• Gate array output
discrepancy.
• Defective gate array.
• Make a service call.
ERR7 Output Current
Detector Error
This fault occurs when the
output current of the ASD
exceeds the established
parameters for a given
application or configuration.
• Defective HCT. • Make a service call.
ERR8 Option Device
Fault
This fault is caused by a
malfunction in one of the
ASD option devices.
• Defective option device.
• Option device is not
connected securely.
• Option device is not
configured correctly.
• Replace the defective
option device.
• Ensure that the
connections are correct
and secured.
• Ensure that the option
device is configured
correctly.
ERR9 Flash Memory
Fault
This fault is caused by
corrupted data in the flash
source or destination
memory location.
• Defective flash memory
(ROM or RAM).
• Make a service call.
EOI
Display
Function Description Possible Causes Corrective Action
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