Armstrong Emech G2 User Manual

Armstrong International
221 Armstrong Blvd, Three Rivers, MI 49093 - U.S.A.
Tel: (269) 279-3602 Fax: (269) 279-3130
Designs, materials, weights, and performance ratings are
approximate and are subject to change without notice.
Visit armstronginternational.com for the most updated information.
Page 29 of 36
6.0 - Troubleshooting Guide, cont.
Actuator display lights up intermittently, but does not move. May display E3: Voltage
The power supply does not have the required capacity.
Review the power supply transformer rating with Section 4.0 of
this IOM (IOM-458).
The power supply cables have an excessive voltage drop.
Review cable rating with Section 3.2.2 of this IOM (IOM-458).
Is 24 Vdc power supply is adequate?
Is 24 Vdc supply stable at actuator terminals?
Obtain model and serial numbers of the
actuator and valve. Contact local Armstrong
sales representative.
Check
YES
YES
NO
NO
Is 24 Vdc suply stable with no more than 1-2
volts drop under load when the actuator is
moving?
YES
NO
The power supply cables have an excessive voltage drop and
or the Power Supply is under rated. Review the power supply
transformer rating in Section 4.0 of this IOM (IOM-458). Review
cable ratings in Section 3.2.2 of this IOM (IOM-458).
Check
YES
YES
Actuator dead, display not lit, no movement
Check wiring and power supply source.
Replace fuse. If fuse blows repeatedly, contact local Armstrong
sales representative.
Does the actuator have power at the 24Vdc
terminals?
Is the fuse okay?
NO
NO
Indicates serious problem. Obtain model and
serial numbers of the actuator and valve.
Contact local Armstrong sales representative.

Armstrong Emech G2 Specifications

General

Brand	Armstrong
Model	Emech G2
Category	Controller
Language	English