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Fault Code Causes and Possible Solutions
CODE
FAULT
0
No Fault
1
Modbus Timeout
2
Impact Detection
3
Motor Over Temperature
4
Drive Over Temperature
5
Bus Over Voltage
6
Bus Under Voltage
7
Phase Over Current
8
Microcontroller High Temp
9
Overspeed Fault
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As a result of our commitment to continuous improvement, Greenheck reserves the right to change specifications
without notice.
Product warranties can be found online at Greenheck.com, either on the specific product page or in the literature
section of the website at Greenheck.com/Resources/Library/Literature.
AMCA Publication 410-96, Safety Practices for Users and Installers of Industrial and Commercial Fans, provides additional safety
information. This publication can be obtained from AMCA International, Inc. at www.amca.org.
®
Phone: 715.359.6171 • Fax: 715.355.2399 • Parts: 800.355.5354 • E-mail: gfcinfo@greenheck.com • Website: www.greenheck.com
8
483885 • High Volume, Low Speed Keypad Control, Rev. 2, November 2019
DESCRIPTION
No activity on Modbus (check control connection)
Unexpected change in speed and/or torque indicates impact
Motor temperature exceeds 110°C
Drive components over 110°C
DC Bus voltage is greater than 385v
DC Bus voltage is less than 140v
Phase Current is greater than 6A RMS
Microcontroller Unit Temperature is greater than 110°C
Blade Speed is greater than 300 rpm
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