Despatch LBB2-xxA/B-2 - Manual (Page 43)

LBB Series Oven Owner’s Manual M AINTENANCE
Version 18 43
Test LBB Series oven functions regularly and carefully for best performance. Safety of personnel
and maintenance of your equipment may depend on the proper operation of any of the
temperature control functions.
6.4.1. Test Control Instrument
Test the Control instrument every 40 hours:
•
Check that the Control instrument OUT LED is cycling ON and OFF
•
Verify that the heater works
6.4.2. Test High Limit Instrument
Test the High Limit instrument every 40 hours. With the oven operating at a set temperature, set
High Limit instrument down to the setpoint operating temperature:
•
The High Limit instrument is tripped when OP1 lights
•
Push after adjusting the High Limit instrument back to a higher setting, or by letting
the oven temperature drop a few degrees based on the hysteresis value of the High Limit
instrument
6.5. Replacement Parts
Danger!
Do not attempt any service on this oven before opening the
main power disconnect switch or removing all power from
the oven.
To order or return parts, contact Despatch Service and Technical Support. When returning parts, a
Despatch representative will provide an MRA (Material Return Authorization) number. Attach
the MRA number to the returned part for identification. When ordering parts, expedite the process
by having the model number, serial number and part number on hand.
Global Headquarters Contact Service & Technical
Support
Despatch Industries
8860 207th Street
Lakeville, MN 55044
USA International/Main: 1-952-469-5424
US toll free: 1-800-726-0110
Fax: 1-952-469-4513
[email protected]
www.despatch.com Service: 1-952-469-8230
US toll free: 1-800-473-7373
Fax: 1-
952-469-8193
Service @despatch.com