Maintenance; Trouble Shooting; Warranty Condition - CD Automation Revo CL User Manual

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22 Maintenance

In order to have a corrected cooling, the user must clean the heat-sink and the protective grill of the
fans. The frequency of this servicing depends on environmental pollution.
Also check periodically if the screw for the power cables and safety earth are tightened correctly
(See Connection Diagram)

22.1 Trouble Shooting

Small problems sometimes can be solved locally with the help of the below tab of trouble shooting.
If you don't succeed, contact us or your nearest distributor.
Indication on
Symptom
front unit
Green LED (ON)
light OFF
Load current
doesn't flow
Green LED (ON)
light ON
Thyristor unit
doesn't work
properly

22.2 Warranty condition

CD Automation gives a 12 months warranty to its products.
The warranty is limited to repairing and parts substitution in our factory and does
exclude products not properly used and fuses.
Warranty does not include products with serial numbers deleted. The faulty product
should be shipped to CD Automation at customer's cost and our Service will evaluate
if product is under warranty terms.
Substituted parts remain of CD Automation property.
CD-Eng-REVO-CL-1PH-60-210A-Thyristors-Units
REVO CL
Possible reasons of the
symptom
No Auxiliary Voltage
•
No input signal
•
Reversed polarities of input
•
signal
Fuse failure
•
Load connection interruption
•
Load failure: The yellow led (HB)
•
is light on (with HB option)
Thyristor fault: The red led (SC)
•
is light on (with HB option)
Auxiliary voltage supply out of
•
limits
Wrong input signal selection.
•
Wrong input signal calibration
•
(out of range)
43
User's Manual
Actions
Give auxiliary voltage supply
•
Connection Diagram
(See
Provide to give input signal
•
Reverse the input signal polarity
•
Change the fuse
•
Check the wiring
•
Check the load
•
Change the thyristor module
•
Verify the auxiliary voltage
•
supply
Control input signal setting.
•
Check input setting
•
)