GE VAT20 Instruction Manual page 37

4-4 Other indications
INDICATION CONTENT
SP0
SP2
E.S.
b.b.
4-5 Keypad Operation Error Indications
INDICATION CONTENT
LOC Motor direction
locked
Keypad operation
Er1
error
Er2
Parameter setting
error
DESCRIPTION
Zero Speed When Fn_11 = 0, Fn_7= 0 and frequency setting < 1 Hz
Stopping When Fn_11 = 1, Fn_7<(Fn_6/100), and frequency setting
<(Fn_6/100)
Keypad The inverter setup to external operation (Fn_10=1). If the
emergency STOP key in the keypad is pressed at the middle of operation,
stop the inverter stop according the setting in Fn_14 and flash SP2
after stop. The RUN switch must be turned OFF than ON to
restart the machine.
External When the external emergency stop signal is activated through
emergency the multi-function input terminal, the inverter decelerate and
stop stop. Inverter flash E.S. after stop. (Refer to instruction for
Fn_19 for detail).
External BASE When the external BASE BLOCK signal is activated through
BLOCK the multifunction terminal, the inverter stop output immediately
and flash b.b. for indication. (refer to instruction for Fn_19 for
detail)
POSSIBLE CAUSE
1. Attempt to reverse
direction when Fn_22 =
1
2. Attempt to set Fn_22 to
1 when Fn_04 = 1
1. Press
Fn_11=1 or under sp1
operation
2. Attempt to modify Fn_29
3. Attempt to modify
parameter that is not
allowed to be modified
during operation (refer to
parameter list)
≤
1. Fn_6
COUNTERMEASURE
1. Adjust Fn_22 to 0
2. Adjust Fn_04 to 0


or keys when 1. Use
frequency setting only after
Fn_11=0
2. Do not modify Fn_29
3. Modify in stop mode
1. Fn_6 > Fn_7
Fn_7
30


or keys to adjust