Garland MO/WO 3500, Installation, Operation And Maintenance Manual

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Part Number 4532880 1/15 37
Section 5 Troubleshooting
Troubleshooting Chart With Error Code / Indicator Lamp Flash Code
• Unit equipped with an indicator lamp:
The indicator lamp flashes to signal a specific problem area. Counting the number of short flashes after each long flash
will give the possible cause. Example: “— …. — ….” The LED lamp gives a long flash for 0.6 seconds. Then it gives 4 short
flashes (indicated by the dots in the example). The sequence repeats unit the error is canceled.
• Unit equipped with a digital display:
The display may show an error code such as E04.
Number of Flashes
(Unit with Indicator Lamp)
Error Code
( Unit with
Digital Display)
Possible Cause Corrective Action
..... Normal Operation. Normal Operation.
1 “
— . — . — . “ E01 Unsuitable induction cooking pan.
Cooking pan is not placed in the center
of the heating zone. Internal wiring/coil
connection malfunction. (3) Check pan material.
Check pan placement on cooking area.
Contact your authorized service agency.
2 “
— .. — .. — .. “ E02 Unsuitable induction cooking pan.
Internal software overcurrent. (3) Check pan material.
Contact your authorized service agency.
3 “
— ... — ... — ... “
E03 Air-cooling system obstructed. Internal
heat sink overheated. (1) Let unit cool down.
Verify that air vents are not obstructed.
Check and clean air filter.
Contact your authorized service agency.
4 “
— .... — .... — .... “ E04 /
E41 / E42 / E43 /
E44 / E45 / E46 Overheated cooking zone. Sensor unit
failure. (1)
Overheated or defective sensor. (1)
5 “
— ..... — ..... — ..... “ E05 Error on rotary power switch. (1) Contact your authorized service agency.
6 “
— ...... — ...... — ...... “
E06 / E30 Ambient temperature too high (the
cooling system is not able to keep the
induction unit in normal operating
conditions). Internal component
overheated. (1) Let unit cool down.
Verify that air vents are not block. Check
and clean air filter.
Verified 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).
Contact your authorized service agency.
7 “
— ....... — ....... — ....... “ E29 Warning from cooking empty sensor or
coil connection failed. (1) Check food in the pan or empty pan.
Contact your authorized service agency.
8 “
— ........ — ........ — ........ “ E21 / E24 Sensor error, internal board or heat sink.
(1) Contact your authorized service agency.
10 “
— .......... — .......... — .......... “
E10 Internal electronic failure. (1) or (2) Contact your authorized service agency.
no flash code E12 Warning of high heat sink temperature.
Fan failure. (2) Let unit cool down.
Verify that air vents are not obstructed.
Check and clean air filter.
Verified that no hot air is sucked in by
the fan. Reduce ambient temperature.
The intake air temperature must be
lower than 104°F (40°C).
Contact your authorized service agency.
no flash code E20 Warning of high internal temperature. (2)
(1) The induction unit stops working immediately.
(2) The induction unit continues to work in power reduction mode.
(3) The induction unit continues to work as usual.