LG SV-iS5 Instruction Manual page 188

Chapter 8 - Troubleshooting & Maintenance
Keypad Display
LCD 7-Segment
LOP PL
LOR RL
LOV VL
LOI IL
LOX XL
Inv. OLT IOLT
NTC open NTC
Over Speed OSPD
MC Fail MCF
To reset fault, Press RESET key, Close RST -CM terminals or connect input power.
If a problem persists, please contact the factory or your local distributor.
Morek IT OÜ, Rauna 24, 76506 Saue Harjumaa, Estonia. www.morek.eu Tel. +372 604 1423 Fax +372 604 1447 morek@morek.eu
Protective
Function
According to the I/O-48 [Operating Method when the Frequency Reference is
Lost] setting, there are three modes: continue operation, decelerate and stop,
and free run,
Operating Method
LOP: Displayed when option frequency reference is lost (DPRAM time out)
when the
LOR: Displayed when option frequency reference is lost (Communication
Frequency
network fault)
Reference is Lost
LOV: Displayed when ' V1' analog frequency reference is lost.
LOI: Displayed when ' I' analog frequency reference is lost.
LOX: Displayed when sun-board (V2, ENC) analog frequency reference is lost.
The inverter turns off its output when the output current of the inverter flows
Inverter Overload
more than the rated level (150% for 1 minute, 200% for 0.5 seconds).
Inverter uses NC thermal sensor for detecting heat sink temperature. If this
Thermal Sensor
message is displayed, the thermal sensor wire may be cut. (Inverter keeps
Opened
operating)
Inverter shuts off its output when a motor rotates at the frequency exceeding 20
Overspeed
Hz of its max speed.
It is displayed when input power is not applied or M/C inside the inverter
M/C Fail
malfunctions.
182
Description