Garland SH 3500-555, Installation, Operation And Maintenance Manual

Page: 40 / 44

40 Part Number 4532879 1/15
Troubleshooting Section 5
NOTE: If a problem arises during operation of your induction unit, follow the chart below before calling service. Routine
adjustments and maintenance procedures are not covered by the warranty.
Troubleshooting Chart Without Error Code / Indicator Lamp Flash Code
Symptom Possible Cause Corrective Action
Pan does not heat up,
LED lamp is OFF (dark). No power supply. Check incoming power supply, e.g. power
cable plugged into the wall socket.
Control knob is in OFF-position. Turn control knob to an ON-position.
Defective induction unit. Ensure knob is in OFF-position and if possible
and safe, disconnect the unit from the power
supply. Contact your authorized service
agency.
Pan does not heat, green LED lamp
blinks continuously.
If LED lamp blinks at intervals, see next
section. Pan is too small. Use a suitable pan with bottom diameter
larger than 5” (12cm).
Pan is not placed in the center of the hob; pan
is not detected by sensor. Move the pan to the center of the hob.
Unsuitable pan. Select proper cookware for induction cooking.
Defective induction unit. Ensure knob is in OFF-position and if possible
and safe, disconnect the unit from the power
supply. Contact your authorized service
agency.
Poor heating, green LED lamp is ON Air-cooling system is obstructed. Verify that air inlet and outlet are not
obstructed. Ensure the Intake Air Filter is clean.
Unsuitable pan. Select proper cookware for induction cooking.
Then compare the results.
Ambient temperature is too high; the cooling
system is not able to keep the induction unit in
normal operating conditions. Verify that no hot air is sucked in by the fan.
Reduce the ambient temperature. The intake
air temperature must be lower than 104°F
(40°C).
One phase is missing (for units with three
phase supply only). Check incoming power supply, e.g. power
cable plugged into the wall socket.
Defective induction unit. Ensure knob is in OFF-position and if possible
and safe, disconnect the unit from the power
supply. Contact your authorized service
agency.
Unit does not react to control knob
positions Defective control switch. Ensure knob is in OFF-position and if possible
and safe, disconnect the unit from the power
supply. Contact your authorized service
agency.
Power/heating level seems to be
reduced, fan is working Air-cooling system is blocked. Internal fan is
dirty. Verify that air inlet and outlet are not
obstructed. Ensure the Intake Air Filter is clean.
Contact your authorized service agency.
Power/heating level seems to be
reduced, fan does not work Defective fan or fan control. Ensure knob is in OFF-position and if possible
and safe, disconnect the unit from the power
supply. Contact your authorized service
agency.
After a long period of continuous
operating time, Power/heating level
seems to be reduced Overheated induction coil; cooking area is too
hot.
Overheated oil in pan.
Pan is empty. Switch the unit off. Safely remove pan. Wait
until the heating zone has cooled down before
turning the unit ON again.
Small metallic objects (e.g. spoon) are
heated up on the cooking area. Pan detection circuit is defective. Ensure knob is in OFF-position and if possible
and safe, disconnect the unit from the power
supply. Contact your authorized service
agency.