Mitsumi electronic 55K 163, Watt-hour meter clear/actual operation hour meter clear

4.2.39 Computer link operation (Pr. 117 to Pr. 124)			109
4.2.40 PID control (Pr. 128 to Pr. 134)			120
4.2.41 Commercial power supply-inverter switch-over function		(Pr. 135 to Pr. 139)	............................................... 127
4.2.42 Zero current detection (Pr. 152, Pr. 153)			133
4.2.43 RT signal activated condition selection (Pr. 155)			134
4.2.44 Stall prevention function and current limit function (Pr. 156)			134
4.2.45 OL signal output timer (Pr. 157)			136
4.2.46 User group selection (Pr. 160, Pr. 173 to Pr. 176)			137
4.2.47 Watt-hour meter clear/actual operation hour meter clear		(Pr. 170, Pr. 171)	138
4.2.48 Input terminal function selection (Pr. 180 to Pr. 186)			138
4.2.49 Output terminal function selection (Pr. 190 to Pr. 195)			140
4.2.50 User initial value setting (Pr. 199)			142
4.2.51 Cooling fan operation selection (Pr. 244)			143
4.2.52 Output phase failure protection selection (Pr. 251)			143
4.2.53 Override bias/gain (Pr. 252, Pr. 253)			144
4.2.54 Advanced PID control (Pr. 500 to Pr. 516) (NA, EC versions only)			145
4.2.55 Meter (frequency meter) calibration (Pr. 900, Pr. 901)			155
4.2.56 Frequency setting voltage (current) bias and gain (Pr. 902 to Pr. 905)			157
4.2.57 Buzzer control (Pr. 990)			162
5 PROTECTIVE FUNCTIONS			163
5.1 Errors (Alarms)			163
5.1.1	Error (alarm) definitions		163
5.1.2 To know the operating status at the occurrence of an alarm			172
5.1.3	Correspondences between digital and actual characters		172
5.1.4	Alarm code output		173
5.1.5	Resetting the inverter		173
5.2 Troubleshooting			174
5.2.1	Motor remains stopped		174
5.2.2	Motor rotates in opposite direction		174
5.2.3 Speed greatly differs from the setting			174
5.2.4	Acceleration/deceleration is not smooth		174
5.2.5	Motor current is large		175
5.2.6	Speed does not increase		175
5.2.7	Speed varies during operation		175
5.2.8	Operation mode is not changed properly		175
5.2.9	Operation panel (FR-DU04) display is not provided		175
5.2.10 POWER lamp is not lit			175
5.2.11 Parameter write cannot be performed			175
5.3 Precautions for Maintenance and Inspection			176
5.3.1	Precautions for maintenance and inspection		176
5.3.2	Check items		176
5.3.3	Periodic inspection		176
5.3.4	Insulation resistance test using megger		177
5.3.5	Pressure test		177
5.3.6 Daily and Periodic Inspection			177
5.3.7	Replacement of parts		180
5.3.8	Inverter replacement		181
5.3.9	Measurement of main circuit voltages, currents and power		182

Contents

III