Henny Penny ISLAND WARMER HMI-105 - Manual (Page 16)

Model HMI-103/105
2-13. CONTACTOR 1. Remove electrical power supplied to the unit.
To avoid electrical shock or property damage, move
power switch to OFF and disconnect main circuit
breaker, or unplug cord at wall receptacle.
2. Remove the pans and pan supports from unit.
3. Remove the four screws securing the access panel
and remove panel.
To avoid electrical shock, make connections before apply-
ing power, take reading, and remove power before re-
moving meter leads. The following checks are performed
with wall circuit breaker closed and main power switch
in the ON position.
4. With power reapplied, set infi nite regulator to its highest setting.
5. Perform checks on the contactor as follows:
Test Points Results
From terminal 27 to 28 The voltage should read the
From terminal 28 to 29 same at each terminal and
From terminal 27 to 29 should correspond to voltage
rating stated on data plate.
6. Remove electrical power supplied to unit and remove and
label wires from contactor.
7. Perform checks on contactor as follows:
Test Points Results
From 23 to 29 open circuit
From 24 to 28 open circuit
From 22 to 26 open circuit
ohm reading 415
8. If contactor is defective, remove screws securing contactor
and remove contactor from unit.
9. Install new contactor.
2-8 203
Step 3
Steps 5 and 7
Step 6
Step 8