mypros+
Model reference

Wolf CSO24

Oven

10 documents157 error codes6 service modes

Available documentation

Service Manual

  • Convection Steam Oven Service Manual53 pg
    Covers this model
  • Service Manual Convection Steam Oven4 pg
    Covers this model
  • Convection Steam Oven Service Manual45 pg
    Covers this model
  • Wolf CSO (SWS #13543126): After Serial 13543126 — Service Manual500 pg
    Covers this model
  • Wolf CSO24 & CSO30-3 (827703): All Serials — Service Manual53 pg
    Covers this model
  • Wolf Original: Prior to Serial 13508346 — Service Manual52 pg
    Covers this model
  • Wolf CSO24 & CSO30-2 (9001333): Serials 13508347 to 13543125 — Service Manual44 pg
    Covers this model

Parts Manual

  • Wolf CSO24 & CSO30-2 (9001334): Serials 13508347 to 13543125 — Parts Manual21 pg
    Covers this model
  • Wolf Original (821161): Prior to Serial 13508346 — Parts Manual13 pg
    Covers this model
  • Wolf CSO24 & CSO30-3 (827704): After Serial 13543126 — Parts Manual11 pg
    Covers this model
MyPros+ Max

Diagnose your Wolf CSO24.

  • Step-by-step diagnostics from the service manual
  • Test values, resistance specs, and wiring references
  • Verified part numbers when replacement is needed
Start diagnosing

$29/month · Cancel anytime · Or $9.95 3-day pass

Error codes (157)

CodeMeaning
E01EEPROM read error after 50 tries, likely caused by problems with processor due…E02EEPROM write error after 10 tries, likely caused by problems with processor due…E03FLASH incorrect process data (device ID number)E04FLASH incorrect process data (checksum)E05FLASH incorrect firmware (checksum)E06SOFTWARE watchdog resetE09Cooking space temperature sensor with too low resistance (temp < approxE1EEPROM read error, possibly caused by moisture on the control board.E10Cooking space temperature sensor with too high resistance (temp > approxE10/F0Temperature sensor interruption in the temperature sensor or control board.E100Operating systemE101/F30No communication with control board.E102/F30No communication with relay board.E103/F31Operating systemE104/F31Operating systemE105Operating systemE106Operating systemE107Operating systemE108Operating systemE109Operating systemE11Cooking space temperature reference with too low resistanceE11/F0Reference cavity temperature short circuit.E110Operating systemE111/F5Operating systemE112/F5Operating systemE113Operating systemE114Operating systemE115/F29Door lock not initialized.E116Door lock switch.E117/F29Short circuit door lock motor.
View all 157 error codes
E118/F29Open circuit door lock motor.E119/F5External firmware error.E12Cooking space temperature reference with too high resistanceE12/F0Reference cavity temperature interruption.E120/F5SOUNDLIBRARY error.E121/F5PICTURELIBRARY error.E122/F5TEXTLIBRARY error.E123/F5FONTLIBRARY error.E124/F5MODELCONFIGLIBRARY error.E125/F5PRESENTATIONLIBRARY error.E13Cooking space temperature > 662°F/350°C during Off/Standby mode, possibly…E13/F11Cavity temperature over temperature due to temperature sensor, relay error, or…E131/F5FACTORYSETTINGLIBRARY error.E132/F5EASYCOOK data invalid.E133/F32Calibration value water level measurement error.E136/F16Thermostat 160C defective.E137/F16Actuator defective; high resistance to element, bake element, broil element, or…E14/F8Critical relay error due to software or mechanical issue.E15/A1Maximum operating time exceeded; cooking mode is cancelled if unit is not being…E16/A1Maximum hold time exceeded; operation is put on hold if waiting for operator…E17Food probe with too low resistance (temp > approxE17/F1Food probe temperature short circuit due to food probe, food probe socket, or…E18Food probe with too high resistance (temp < approxE18/F1Food probe temperature open circuit due to open circuit in food probe wires or…E19/F28Door lock not opening; cavity temperature is above 572°F, door lock defective…E2EEPROM write error, possibly caused by moisture on the control board.E20/F28Door lock not closing due to defective door lock or relay board.E25Climate temperature sensor with too low resistance (temp > approxE25/F3Short circuit of temperature sensor 300C.E26Climate temperature sensor with too high resistance (temp < approxE26/F3Open circuit in temperature sensor 300C.E27Climate temperature > 356°F/180°C for 60 seconds, indicating hairline crack in…E27/F17Over temperature in temperature sensor 300C; temperature limit exceeded or…E28Descaling prompt triggered due to past problems with water system.E29Climate temperature measured 3 times with differential less than 41°F/5°C…E29/F9Leaking steam caused by slider stuck or defective, cooking space not tight…E3EEPROM status error, possibly caused by moisture on the control board.E30Real-time clock (RTC) is not initialized.E31External RTC error.E32Touch button error due to moisture on control board.E33Processor temperature sensor with too low resistance (temp > approx…E33/F12TemperatureE34Processor temperature sensor with too high resistance (temp < approx. 3°F/-16°C)E34/F12TemperatureE35Processor temperature > 185°F/85°C for 60 seconds, possibly caused by high…E35/F13TemperatureE36Control unit temperature sensor with too low resistance (temp > approx. 200°C)E36/F14TemperatureE37Control unit temperature sensor with too high resistance (temp < approx…E37/F14TemperatureE38Control unit temperature > 185°F/85°C for 120 seconds, possibly caused by high…E38/F15TemperatureE39LCD error due to ribbon cable at X15 loose or connector not locked.E4/F5Control board MAINDATA invalid due to reload software error.E41Water temperature sensor with too low resistance (temp > approxE41/F2Short circuit evaporator temperature sensor 100C.E42Water temperature sensor with too high resistance (temp < approxE42/F2Open circuit evaporator temperature sensor 100C.E43/F8Neutral relay K1 or K2 stuck; K1 or K2 relay failed self-test.E44Water temperature fails to increase to minE44/F26Increase in water temperature is slow due to defective evaporator heater…E45/F8Actuator relay K3 stuck; element or relay board damaged.E46/F8Actuator relay K4 stuck; element or relay board damaged.E47/F8Actuator relay K5 stuck; element or relay board damaged.E48/F8Actuator relay K6 stuck; element or relay board damaged.E49Control unit button(s) closed for minimum 60 secondsE49/F8Actuator relay K7 stuck; element or relay board damaged.E5/F5Control board MAINDATA incompatible due to reload process error.E50Control unit moisture sensor closed for minimum 20 secondsE50/F25Moisture on the control board due to room air fan not working or steam leak.E51Processor neutral conductor to main relay (N') records error, possibly caused…E51/F6Relay calibration invalid.E52Leaked water detected for minimum 10 secondsE52/F10Water tank leaking due to water valve not tight or defective/damaged water…E53RTC calibration invalid.E54/F7Actuator, relay board locked; error E43 to E49 acknowledged 10 times, relay…E55Program control data invalid; error only occurs during operation.E56Sequence control data invalid; error only occurs during operation.E57Mains connection voltage N > 340V, possibly caused by pole conductor connected…E57/U0L1 voltage over voltage; voltage at L1 greater than 280 VAC for more than three…E58Mains connection L2 no signalE58/U0L2 voltage over voltage; voltage at L2 greater than 280 VAC for more than three…E59Mains connection voltage > 270VAC for 1 second, possibly caused by overvoltage…E59/U1L1 voltage under voltage; voltage at L1 was between 155 VAC and 176 VAC.E6/F5Unit model identification invalid.E60/U1L2 voltage under voltage; voltage at L2 was between 155 VAC and 176 VAC or 0…E61Mains connection voltage < 170VAC for 1 minute, possibly caused by undervoltage…E62Mains connection voltage < 150VAC, possibly caused by undervoltage or mains…E63No calibration of mains voltage.E64L2 voltage low voltage; voltage at L2 was between 176 VAC and 198 VAC for more…E66Water system level detector pin with low resistance only after refilling…E67Water system level detector pin with low resistance only after refilling…E67/F16Thermostat 280C or thermostat 160C tripped; most often a fan or temperature…E68Water system pumping off water at least 3 times within 2 hours, if it has been…E68/A1Water tank is leaking.E69Water system pumping off water at least 3 times within 2 hours, if descaling…E69/F21Water tank not initialized; sequence errors E70, E71, and E72.E7/F5Relay board MAINDATA invalid due to reload software error.E70Water system: water is not continuing to be fed in during steaming, if…E70/F21Water tank drive switch error; rack and pinion blocked or switch on drive board…E71Water system: water is not continuing to be fed in during steaming, if…E71/F21Short circuit in water tank drive motor.E72Water system level detector pin with high resistance again after pumping off…E72/F21Open circuit in water tank drive motor.E73Water system level detector pin with high resistance again after pumping off…E74Water system descaling error during descaling phase (appliance is blocked)E74/F22Retractable door handle not initialized; sequence errors E74, E75, E76, and E77.E75Water system descaling error during 1st rinsing phase (appliance is blocked)E75/F22Retractable door handle switch defective or not mounted correctly.E76Water system descaling error during 2nd rinsing phase (appliance is blocked)E76/F22Short circuit retractable door handle drive.E77/F22Open circuit retractable door handle drive.E8/F5Relay board MAINDATA incompatible due to reload software error.E81No calibration of relay.E81/F23Evaporator draining error; level measure pin not sensing the correct level due…E84Slider not initialized; sequence errors E85, E86, and E87.E85Slide motor current shows short circuit.E85/F4Short circuit in stepper motor.E86Slide motor current shows breakE86/F4Open circuit in the stepper motor.E87Exhaust air slide valve path restricted (motor current error during slide valve…E87/F4Slider is blocked; path of slider is restricted during normal operation.E88Exhaust air slide valve path restricted during normal operation (motor current…E9/F0Temperature sensor short circuit in the temperature sensor or control board.E97Operating systemE98Operating systemE99Operating system

Service modes (6)

  • check_connection["Touch Settings twice","Touch the right arrow key to move to Check Connection","Touch Enter","Use…
  • Demo Modus (Showroom Mode)1
  • demo_mode["Touch Settings twice","Touch the right arrow key to move to Demo Mode","Touch Enter","Use the…
  • demo_modus1
  • diagnostic1. Appliance must be in OFF mode (all displays dark except time display) or in error mode. 2. Press…
  • Diagnostic Mode1. Ensure appliance is OFF (all displays except time display are dark) or in error mode (error…

Full entry steps, exit procedures, and test sequences are available in Max.

Related Wolf oven models

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass