Led-Displays - Bosch Rexroth LTH Technical Information Manual

3 609 929 408/2.1 | LTH

2.7.2 LED-Displays

The operating status of the power unit as well as error messages are displayed by different LEDs on the
front panel.
LED-Display
EXTERN
without designation
USP
NTF
TFVM
BTBVM
BTB
FG
FGI
PV
FI
BL
LI
ST1
ST2
ST3
TF
EC 37
EC 48
Table 2:
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Electric Drives and Controls | Bosch Rexroth AG
Color Significance
green External program selection (via interface X13)
green Internal program selection
(LED next to program selector switch)
red Overvoltage in intermediate circuit of static
frequency converter
red Power supply defect
red Temperature error of voltage supply module
(isolation transformer)
green Voltage supply module ready for operation
green Power unit ready for operation
green Release (via interface X8)
green - Internal release
- No error
- Motor rotating
green Proportional behaviour of speed regulator
(via interface X8)
red Current defect (short circuit)
red Motor blocked
green Left, in conjunction with step selection
(not active when operated with SE 200)
yellow Speed step 1 selected (via interface X8)
(not active when operated with SE 200)
yellow Speed step 2 selected (via interface X8)
(not active when operated with SE 200)
yellow Speed step 3 selected (via interface X8)
(not active when operated with SE 200)
red - Temperature error, power unit
- Temperature error, motor
- Power tool cable not connected
green Motor type EC 37 selected
green Motor type EC 48 selected
45/60
2 Power Unit LTH