Installation, Operation and Maintenance Manual
VA-DC-000-1952 Rev. 0
April 2021
18
Section 4: Set-up / Start-up Procedure
Set-up / Start-up Procedure
Section 5: Troubleshooting
!
WARNING
To prevent personal injury, all hydraulic pressure must be relieved from the accumulator before
opening any tube lines or attempting replacement operations below.
Of all the system components, the actuator itself is least likely to malfunction and require the most
time and effort to service.
Table 5.
Troubleshooting
Symptoms
Possible Reason
ECAT does not turn ON.
1. Ensure voltage is adequate to the unit.
2. Check to see that the electrical power is connected to the
correct terminals.
3. Circuit breaker is tripped off.
ECAT is ON, but motor does not run.
1. Ensure the Hand/Off/Auto switch is in the proper position.
2.
Ensure the customer field power wiring is an adequate size.
3.
Power supply is insufficient.
4. Check to see if thermal overload is tripped.
5. Ensure the Motor Start / Stop Switch (78) is set properly.
ECAT motor runs, but fails to develop
sufficient pressure to open the valve.
1.
Low fluid level in reservoir.
2. Wrong motor shaft rotation.
3. Manual bypass valve (71) is open.
4. The System Hydraulic Relief Valve (72) is cracking open.
Check to ensure setting set to factory setting.
Should any issue be experienced besides the symptoms noted above, please consult factory.
Important check points for automatic operation of the ECAT:
1.
Ensure oil level is at the proper level.
2.
Ensure bypass valve (71) is closed.
