Henkel K-NP - Manual (Page 5)

IF OVEN FAILS TO OPERATE – NO HEAT
1. Check power source.
2. Check power cord continuity. Replace cord assembly if faulty.
3. If pilot light glows, voltage is being supplied to heating elements. Check elements continuity. If
defective, replace.
4. If thermostat cannot be heard clicking on and off when dial is rotated, and if pilot light fails to
operate, replace thermostat.
IF OVEN OVERHEATS
If oven fails to cycle on and off and reaches temperatures above 250
°F thermostat is faulty and needs
replacing.
If oven operates but is off from setting, see calibration instructions.
*NOTE* When replacing any components refer to “Corrective Maintenance” section of this manual for
instructions.
Corrective Maintenance
CHANGING THE HEATING ELEMENT
1. Disconnect oven from power source.
2. Remove back cover and insulation.
3. Disconnect electrical leads from element and remove element holder from oven.
4. Remove element and bracket from element holder.
5. Install new element and brackets. (New brackets, insulation and leads are supplied with replacement
elements.)
6. Install element holder and reconnect electrical leads.
7. Replace insulation and back cover.
CHANGING THE THERMOSTAT
1. Disconnect from the power source.
2. Remove cover plate from control box and disconnect the two wire connectors from thermostat leads.
3. Remove thermostat knob and chrome bezel. Remove thermostat from control box and pull sensing
bulb through oven wall
4. Place thermostat leads on new thermostat and insert sensing bulb through oven wall being sure there
is adequate length to reach holder.
5. Loosely attach thermostat and chrome bezel to control box. Place knob on thermostat and adjust
bezel so that knob turns freely. When knob turns freely, remove knob, tighten bezel and replace and
tighten knob.
6. Rewire element leads as per wiring diagram and replace control box cover.
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