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Induction Cooktop (CTI) Series

Troubleshooting Guide

5-6

#821684 - Revision B - March, 2013

N/A

1. Insufficient venting.

Action: Verify air flow is not restricted and
verify ambient/control temp. using test #3

2. Fan failure

Action: Run cooling fan test #2

3. Faulty fan connection

Action: Check (J6) connection

4. Comm Board failure.

Action: Change Comm Board

1. Ambient temp. too high causing generator

heatsink sensor to alert control.
Action: Remove/Reduce external heat
source.

2. Induction generator failure.

Action: Verify heatsink temp. test #4.

3. Bad generator board.

Action: Change generator board.

Comm Board failure.
Action: Change Comm Board

1. Faulty cable connection.

Action: Check (J4) connection

2. Keyboard failure.

Action: Change Glass Assy.

3. Comm board failure.

Action: Change Comm Board

The control panel will turn
off display and shut off all
burners.

If ambient temperature
exceeds error tempera-
ture limit, unit will enter
Lock Mode until ambient
temperature falls within
acceptable temp. limits.

The burners will be
unavailable until heatsink
temperature falls below
194°F (90°C) limit.

Cooktop will enter Lock
Mode and display error
code. An open sensor
error will not be recorded
until 5 minutes of consec-
utive open sensor read-
ings and during burner
activation only.

If the A/D value exceeds
error A/D limit, the unit
will enter Lock Mode and
display error code in
timer display.

Cooktop keyboard shows
incorrect diode configura-
tion.

ERROR

PRIORITY

NOTES

POSSIBLE SOURCE(S) OF

FAILURE / ACTION REQUIRED

DISPLAYED

ERROR #

No Indicator

ERROR

CONDITION

Power loss

Ambient tempera-
ture too high

Generator 1:
Heatsink tempera-
ture too high.

Generator 2:
Heatsink tempera-
ture too high.

Generator 3:
Heatsink tempera-
ture too high.

Open ambient
thermistor.

Shorted ambient
thermistor.

Diode
Configuration
Error.

Содержание CTI Series

Страница 1: ...Troubleshooting Guide 27 subzero com 800 222 7820 CT Induction Cooktop Service Manual ...

Страница 2: ...the and keys of the 3000W coil the rear element HI POWER The 3000W control will step up one LED for each test to identify which test is being performed See the individual descriptions for each model in Figure 5 2 below OFF CLEAR Figure 5 1 Diagnostic Mode Press and Hold the OFF Key for 5 sec onds Unit will beep after 5 seconds Figure 5 2 LED Test First Test 1 Upon entry to Diagnostics Mode the LED...

Страница 3: ...l Temperature Test ERROR CODE INDICATOR Fifth Test NOTES See Error Code Chart for a description of the error and action that should be taken If one possible cause of an error code has been corrected reset error history and verify operation Only proceed to other possible sources if problem still exists or if the error reoccurs To clear Error code history press and hold the HI POWER key of the 3000W...

Страница 4: ...ce over priority 2 errors If there are no known priority 1 errors recorded the software will record the LKS of the last recorded priority 2 error If there are no priority 1 or 2 errors the Timer dis play will continue to display LS If a priority 1 error should occur the LKS would be recorded and not any subse quent priority 2 error s LKS 1 To enter Last Known State press the key of the 3000W eleme...

Страница 5: ... dissatisfaction These errors can be cancelled and will not be displayed again until the user again attempts to start an operational mode Any active function on the CZ for which the error has scope will be cancelled upon generation of the priority 2 error Errors with system scope will apply to all CZ s errors with CZ scope will apply only to the appropriate CZ unless otherwise noted This level of ...

Страница 6: ...e control panel will turn off display and shut off all burners If ambient temperature exceeds error tempera ture limit unit will enter Lock Mode until ambient temperature falls within acceptable temp limits The burners will be unavailable until heatsink temperature falls below 194 F 90 C limit Cooktop will enter Lock Mode and display error code An open sensor error will not be recorded until 5 min...

Страница 7: ...tween com board and generator 3 fails Cooktop enters Lock Mode and display error code in timer display A watchdog timer will be reset every key release If key release is not seen for determined debounce time control will record error A watchdog timer will be reset every key release If key release is not seen for determined debounce time control will record error and effected burner unavailable unt...

Страница 8: ...d burner will shutdown The effected burner will shutdown The effected burner will shutdown 2 2 2 2 2 2 2 2 2 2 2 2 2 2 E30 E31 E32 E33 E34 E40 E41 E42 E43 E44 E45 E50 E51 E52 Generator 1 Burner F FR FC ON LED Failure Generator 1 Burner R RR RC ON LED Failure Generator 2 Burner RL ON LED Failure Generator 2 Burner FL ON LED Failure Generator 3 Burner RR ON LED Failure Generator 1 Burner R RR RC sen...

Страница 9: ...an Detection Glass Surface too warm Electrical Noise spike Defective Thermistor Bad Control Board Incorrect Pan Type Unit not wired properly Verify Glass Temp Below 122 F 50 C Check for other heat sources e g Sun warm pans setting on surface Check for Error Codes follow suggested action Turn Breaker off for 5 min reset and try Check Resistance of Generator Thermistor see Figure 5 4 Replace Control...

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