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4.22.1 Cooling fan operation selection (Pr. 244) .................................................................................. 252
4.22.2 Display of the life of the inverter parts (Pr. 255 to Pr. 259)........................................................ 253
4.22.3 Maintenance timer alarm (Pr. 503, Pr. 504)............................................................................... 257
4.22.4 Current average value monitor signal (Pr. 555 to Pr. 557) ........................................................ 258
4.22.5 Free parameter (Pr. 888, Pr. 889) ............................................................................................. 260
4.23 Setting from the parameter unit and operation panel .................. 261
4.23.1 RUN key rotation direction selection (Pr. 40)............................................................................. 261
4.23.2 PU display language selection(Pr.145)...................................................................................... 261
4.23.3 Operation panel frequency setting/key lock operation selection (Pr. 161)................................. 262
4.23.4 Magnitude of frequency change setting (Pr. 295)...................................................................... 264
4.23.5 Buzzer control (Pr. 990)............................................................................................................. 265
4.23.6 PU contrast adjustment (Pr. 991) .............................................................................................. 265
4.24 FR-E500 series operation panel (PA02) setting ............................ 266
4.24.1 Built-in potentiometer switching (Pr. 146) .................................................................................. 266
4.25 Parameter clear/ All parameter clear ............................................ 273
4.26 Initial value change list ................................................................. 274
4.27 Check and clear of the faults history ............................................ 275
5.1
Reset method of protective function.............................................. 278
5.2
List of fault or alarm indications .................................................... 279
5.3
Causes and corrective actions ....................................................... 280
5.4
Correspondences between digital and actual characters............. 289
5.5
Check first when you have some troubles ..................................... 290
5.5.1
Motor does not start.................................................................................................................... 290
5.5.2
Motor or machine is making abnormal acoustic noise................................................................ 292
5.5.3
Inverter generates abnormal noise ............................................................................................. 292
5.5.4
Motor generates heat abnormally ............................................................................................... 292
5.5.5
Motor rotates in the opposite direction........................................................................................ 293
5.5.6
Speed greatly differs from the setting ......................................................................................... 293
5.5.7
Acceleration/deceleration is not smooth ..................................................................................... 293
5.5.8
Speed varies during operation.................................................................................................... 294
5.5.9
Operation mode is not changed properly.................................................................................... 294
5.5.10 Operation panel display is not operating .................................................................................... 295
5.5.11 Motor current is too large............................................................................................................ 295
5.5.12 Speed does not accelerate ......................................................................................................... 296
5.5.13 Unable to write parameter setting............................................................................................... 296
V
277
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