BENSHAW ENHANCED KEYPAD Manual do Utilizador Página 187
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8.3.7 Other Situations
179
8 - TROUBLESHOOTING & MAINTENANCE
Condition Cause Solution
Motor Rotates in Wrong Direction. Phasing incorrect. If input phasing correct, exchange any
two output wires.
If input phasing incorrect, exchange any
two input wires.
Erratic Operation. Loose connections. Shut off all power and check all
connections.
Motor Overheats. Motor overloaded. Reduce motor load.
Too many starts per hour. Allow for adequate motor cooling
between starts. Set Hot/Cold ratio higher
or lengthen cooling time.
High ambient temperature. Reduce ambient temperature or provide
for better cooling. Set OL class lower to
compensate for ambient temperature.
Acceleration time too long. Reduce starting load and/or review
acceleration ramp settings.
Incorrect motor OL settings. Review and correct motor OL settings.
Motor cooling obstructed/damaged. Remove cooling air obstructions. Check
motor cooling fan.
Starter cooling fans do not operate.
(When Present)
Fan power supply lost. Verify fan power supply, check fuses.
Fan wiring problem. Check fan wiring.
Fan failure. Replace fan.
Analog Output not functioning properly. Voltage/Current output switch(SWI-2)
not set correctly.
Set switch SW1 to give correct output.
Wiring problem. Verify output wiring.
Analog Output Function parameter (P60/
I/O12) set incorrectly.
Verify that the Analog Output Function
parameter is set correctly.
Analog Output Offset and/or Span
parameters (P61/ I/O13 and P62/ I/O14)
set incorrectly.
Verify that the Analog Output Span and
Offset parameters are set correctly.
Load on analog output too high. Verify that load on analog output meets
the MX
2
analog output specifications.
Ground loop or noise problems. Verify correct grounding of analog output
connection to prevent noise and/or ground
loops from affecting output.
Remote Keypad does not operate
correctly.
Keypad cable not plugged in properly or
cable is damaged.
Verify that the remote keypad cable has
not been damaged and that it is properly
seated at both the keypad and the MX
2
control card.
Remote display damaged. Replace remote display.
Cannot change parameters. Passcode is set. Clear passcode.
Starter is running. Stop starter.
Modbus is overriding. Stop communications.
Heater Level (P73 / FUN08) parameter is
"On"
Turn Heater Level (P73 / FUN08)
parameter "Off"
- RediStart 1
- Important Reader Notice 2
- SAFETY PRECAUTIONS 3
- TABLE OF CONTENTS 4
- 1 Introduction 9
- 1 - INTRODUCTION 10
- RB2-1-S-052A-12C 14
- 2 Technical Specifications 17
- 2 - TECHNICAL SPECIFICATIONS 18
- 3 Installation 35
- 3 - INSTALLATION 36
- BIPC-300055-01 40
- 120VAC LIVE 48
- 120VAC NEUTRAL 48
- 4 Keypad Operation 55
- PARAM DOWN UP ENTERRESET 56
- 4 - KEYPAD OPERATION 57
- 5 Parameter Groups 67
- 5 - PARAMETER GROUPS 68
- 6 Parameter Description 81
- Local Source 86
- · Keypad 86
- Local/Remote Bit 86
- P48, P49, P50 86
- 6 - PARAMETER DESCRIPTION 100
- % Current 108
- 7 Theory of Operation 139
- 7 - THEORY OF OPERATION 140
- Derating Factor 142
- Ramp Profile 2 156
- Ramp Profile 1 156
- IMPORTANT 180
- Troubleshooting 181
- & Maintenance 181
- Safety Precautions 182
- Preventative Maintenance 182
- control 183
- . Initial current to low 184
- Condition 185
- Fault Code Table 188
- SCR Testing 195
- Built-In Self Test Functions 196
- BIST Mode 197
- Tests completed 197
- SCR Replacement 199
- Appendices 201
- APPENDIX A - ALARM CODES 202
- APPENDIX B - FAULT CODES 204
- APPENDIX C - SPARE PARTS 205
- EU DECLARATION OF CONFORMITY 206
- APPENDIX EMODBUS REGISTER MAP 207
- 0 – 99 % 211
- 214
- Diagnostics 214
- APPENDIX FPARAMETER TABLES 215
- APPENDIX F - PARAMETER TABLES 216
- Publication History; 221
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