Before Making A Service Call - Toshiba RKP004Z Instruction Manual

8. Before making a service call

11. Before making a service call
If a problem occurs, follow the instructions in this table to track down and eliminate the
cause of the problem.
Problems
Nothing is displayed on the
screen.
The Startup window
appears, but the message
"CONNECTION IN
PROGRESS" does not out
and the screen does not turn
to the next window.
Although line information is
displayed on the screen,
textual information is not
displayed. Or some
characters are not displayed
correctly.
The error code E-17 (key
failure alarm) is displayed.
Operation cannot be
controlled with the [RUN]
key or the [STOP/RESET]
key.
Operation can be controlled
with the [RUN] key and the
[STOP/RESET], but the
direction of rotation cannot
be changed with the
[FWD/REV] key.
The inverter has tripped
because of a communication
error (Err5).
The inverter has tripped
because of a Remote
keypad disconnection fault
(Err9).
Possible causes
• The inverter connected is not
turned on or it is not connected
securely.
• A cable other than a dedicated
one is used.
• The communication speed
setting or parity setting of the
inverter is different from that of
the unit.
•Model of inverter is VF-MB1,
and CPU1 version is V104 or
less.
• Connection may be broken
during communication.
• If the unit uses an old language
database, the codes shown
below may be displayed.
<Ex.>
"F123" ":004" "M301"
• The same key is pushes more
than 20 seconds.
• Panel Operation mode is not
enabled.
• The operation frequency is set
at 0.0Hz.
• The basic parameter fr (panel
FWD/REV selection) is set to 0
or 1.
• f803 (com time-out time) is
turned ON (enabled).
* By default, the function of
measuring the time for a
time-out is turned off (disabled).
• After run operation by RUN key
of remote keypad,
disconnection occurs more
than 10 seconds.
11-1
Remedies
• Check whether the inverter is turned
on.
• Check the interconnect cable and the
connector for loosening.
• Use a dedicated cable.
• Set the communication speed and the
parity, as specified below.
f800 (communication speed) = 1
(19,200 bps)
f801 (parity) = 1 (even parity)
Then turn the unit off and then back on
to reset it.
• Please use V106 or more VF-MB1.
• Move to another window by pressing
the [ESC] key to reload textual
information, and check the cable and
the connector for loosening.
• This phenomenon does not mean that
the unit is faulty.
• Check whether the key operates
normally. If it does not operate
normally, it has to be repaired.
• Change the setting of the basic
parameter cmod (command input
mode) to 1 (Panel / LCD-option).
• Set an operation frequency according
to the setting of the basic parameter
fmod (frequency input mode 1).
When performing operation at the
frequency set with the extension
operation panel (see section 5.1), if you
use VF-AS1/PS1, set fmod to 4. If
you use VF-MB1, set fmod to 1 or 3.
• Change the setting of the parameter Fr
(panel FWD/REV selection) to 2 or 3.
• Connection may be broken during
communication. Check the cable and
the connector for loosening.
• Connection may be broken during
communication. Check the cable and
the connector for loosening.
• Err9 disables by set f731 to 1.