Ordering information, Warranty, Returns – Watlow Series 103 User Manual
Page 6: Technical support, Troubleshooting
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Watlow Series 103 User’s Manual
(2002)
103 _ - _ _ _ _ - _ 0 0 0
Output Type
C = Switched dc, non-isolated
E = Electromechanical relay, 8A,
Form C
K = Solid-state relay, Form A, 0.5A
Line Voltage
1 = 120V~
2 = 230V~ to 240V~
Input and Range
Type E
619 = 32 to 1470°F (0 to 799°C)
Type J
601 = 32 to 600°F (0 to 315°C)
602 = 32 to 1382°F (0 to 750°C)
618 = 0 to 200°F (-17 to 93°C)
620 = 300 to 800°F (149 to 427°C)
623 = 110 to 130°F (43 to 54°C)
624 = 75 to 275°F (24 to 135°C)
Type K
603 = 32 to 2282°F (0 to 1250°C)
611 = 32 to 1112°F (0 to 600°C)
626 = 60 to 300°F (16 to 149°C)
627 = 32 to 150°F (0 to 66°C)
Type T
629 = -328 to 662°F (-200 to 350°C)
630 = -22 to 158°F (-30 to 70°C)
RTD
101 = -100 to 1112°F (-73 to 600°C)
Control Mode
1 = Heat
2 = Cool
Note: Electromechanical relays are warranted for 100,000
closures only. Solid-state relay switching devices are
recommended for applications requiring extended service life.
Note: Outputs with contact suppression should be used with
inductive loads.
Note: User documentation may be available in French, German, Spanish,
Italian, and Dutch, as well as English. Check Watlow’s website
(www.watlow.com/) for availability. Specify language at time of order.
The Series 103 is warranted to be free of defects in
material and workmanship for 36 months after delivery to
the first purchaser for use, providing that the unit has not
been misapplied. Since Watlow has no control over its use
or misuse, we cannot guarantee against failure. Watlow’s
obligations hereunder, at Watlow’s option, are limited to
replacement or refund of purchase price of a unit which
upon examination proves to be defective within the
warranty period. This warranty does not apply to damage
resulting from transportation, alteration, misuse or abuse.
• Call or fax Customer Service for a Return Material
Authorization (RMA) number before returning a
product.
• Put the RMA number on the shipping label, and also a
description of the problem.
• A 20% of net price restocking charge applies to all
standard units returned to stock.
Contact
• Phone: 507/454-5300
• Fax: 507/452-4507
If you encounter a problem with your Watlow
controller, verify that your wiring is correct for your
specific model number. If the problem persists, an
Application Engineer can discuss your application with
you.
Before calling, please have the complete model
number and user’s manual available. You can get
technical support by dialing 507/494-5656, 7 a.m. to
7 p.m. Central Standard Time. The Series 103 User’s
Manual is copyrighted by Watlow, Inc., © January 2001,
with all rights reserved. (2000)
Compare the input connections with the appropriate
wiring diagram.
Remove power to the controller and the controller from
the system. Apply power to the system with the
controller removed. If the load turns off, return the
controller to the factory. If the load remains on, there
are other problems in the system that must be
resolved. Consult the factory.
The thermocouple polarity is
reversed.
A faulty unit.
The load will not turn off.
Repair or replace.
Check the fuses, circuit breakers, load and wiring.
Compare the ac input connections with the appropriate
wiring diagram.
An open sensor.
The load circuit is open.
The ac input is not connected or
is connected improperly.
The load will not turn on.
Action
Probable Cause
Problem