STORK TRONIC ST552 Glass Manual Download Page 18

Page: 18 / 23

Order number: 900350.011

V2.70

Seite 18

Error and warning messages

Display

Cause

Remedy

Sensor error
(Heating relay and analogue output are switched
off!)

Check sensor

Ptc

Sensor error on compensation element for
thermocouple measurement (P91=1,2)

Repair of controller

UEb

Overtemperature at E2 (P35=0, P52=1)

-----

Hot

Overtemperature at E2 (P35=1, P52=1)

-----

FAt

Alarm of the LowFat or NoContact control
settings

Check oil level and/or switch on/off
by pressing OFF button

Error in parameter memory

Repair of controller

OIL
control active

Warning message, fat operating time is
exceeded (see P82)

Acknowledge with the temperature
DOWN key

OIL
control blocked

Control is blocked,, fat operating time is
exceeded (see P82)

Acknowledge with the MELT and
START key

rES

Reset of fat operating time (see P86)

-----

Display flashing

Threshold alarm (P25=1)

-----

Timer lamp
flashing

Timer has elapsed (see P27 and P29)

Acknowledge with the DOWN key

Lamp "HEAT"
flashing slowly

Burner fault (see P58)

Switch on/off by pressing OFF
button

Lamp "HEAT"
flashing quickly

Burner restart chance (see P58)

Switch on/off by pressing OFF
button

„- - -“ flashing
during setup

Button lock (P19=1)

-----

Summary of Contents for ST552 Glass

Page 1: ...proved foil keyboards in environments with high mechanical or chemical loads It features two displays four relay exits and two digital switching inputs The two sensor inputs can process a temperature sensor Pt100 or thermocouple Five LEDs arranged above each display indicate the selected temperature and time respectively A delayed key activation and multiple timers are optional Via a ST Bus interf...

Page 2: ...Order number 900350 011 V2 70 Seite 2 ...

Page 3: ... K3 controls lowering of the basket output K4 controls raising of the basket This also applies in the case of a temporary stop of the timer Output K7 is assigned to the limit value alarm The controller features a gentle heating function which is activated as long as the frying fat is still congealed This slow heating process melt function is active each time the system is turned on and will be dea...

Page 4: ...ton 3 Temperature selection Use this button to select the setpoint to be used by the controller Scroll to select each push of the button switches the display further one step The selected reference temperature remains active even after disconnection of mains supply Special presets are also possible In delayed key operation the selection lamp goes off when initially pressed briefly then the button ...

Page 5: ...controller to standby by pressing the button for at least 5 seconds In the right display OFF will appear Press the button again to turn the controller on again Via the parameterisation you can also set up a button delay for the restar P43 In addition you can change the message displayed to OFF parameter P36 Via the parameterisation you can also deactivate the standby function completely parameter ...

Page 6: ...eresis control circuit 1 0 1 99 0 K 1 0 K P3 Hysteresis control circuit 2 0 1 99 0 K 1 0 K P4 Bottom setpoint limitation 0 999 C 0 C P5 Top setpoint limitation 0 999 C 999 C P6 Correction actual value 1 20 0 20 0 K 0 0 K P7 Display actual value 1 P8 Initial temperature selection after Mains On 0 Selection as before 1 5 Selection of setpoint 1 5 0 P9 Initial time selection after Mains On 0 Selectio...

Page 7: ... 1 Resolution 0 5 K 2 Resolution 0 1 K 2 P32 Type of temperature display 0 Actual value display 1 Setpoint display 0 P33 Type of time display 0 Remaining time display 1 Operating time display 0 P34 Temperature scale 0 Fahrenheit 1 Celsius 1 P35 Message in case of overtemperature 0 UEb 1 Hot 0 P36 Display in case of standby off 0 AUS 1 OFF 0 P37 Blinking mode during timer when the timer has elapsed...

Page 8: ...uit 1 2 P55 Assignment output K2 0 Not active 1 Thermostat 2 2 on together with controller on 1 P56 Type of heating 0 Gas heating with feedback 1 Electrical or gas heating without feedback 2 Gas fan gentle heating realised via fan 3 Gas fan gentle heating realised via burner 2 P57 Type of PWM analogue signal fan selection 0 Active when high 230V 1 Active when low 24V 0 P58 Tolerance time for burne...

Page 9: ...ck 0 99 hrs 0 hrs inactive 0 hrs P84 Display of fat operating time P85 Temperature limit for reset of fat operating time only effective if P86 2 99 999 C 100 C P86 Reset option of fat operating time 0 No restrictions 1 After warning message or blocking 2 After warning message or blocking plus cool down 2 Sensor and hardware parameters if changed Mains Off required P91 Selection of sensor type 0 Pt...

Page 10: ...oil is available The LowFat and NoContact control settings provided by the controller cary out this task Low Fat and No Contact operate independently each have their own parameters and can be deselected separately At the moment of turning on the burner the control settings start running both at once and a test heating starts Heating dynamics at various amounts of oil Rule of thumb The more oil the...

Page 11: ...sor Gas burner Elektric heating Electric heating A B C D Sensor Sensor The illustrations show the conditions in case of lack of oil or missing oil Temperature behavior of the different designs Example A If there is so little oil present that the sensor is no longer immersed in oil it measures approximately the air temperature instead of the oil temperature and hardly changes the measured value dur...

Page 12: ...mum required temperature rise for the duration according to parameter H3 A slower temperature rise may indicate that no oil is present and the sensor is no longer in the oil The heating is switched off and an alarm with lack of oil message is triggered In baking mode In baking mode i e above the temperature of parameter H5 the process is no longer reliable Monitoring of the minimum temperature inc...

Page 13: ... set in parameter P58 If the feedback is received at switching input E2 of if it is already present at the time of the request the control operation is continued If not the control operation is switched off The HEAT lamp flashes slowly signalling the start error To acknowledge and restart the control operation press the OFF button i e switch to Standby Off and on again Burner failure with restart ...

Page 14: ...unction is activated again The heating relay clocks again like in the initial heating phase until the setpoint or the clock end below the setpoint defined in parameter P73 is reached again This is to ensure gentle heating of the reloaded fat Figure 3 Control after heating After the heating phase the controller works with the PID function based on parameter group P11 to P14 Heating phase with manua...

Page 15: ... feedback signal is not considered as effective on time Thus the effective on time will start only upon receipt of the feedback signal Below the burner clocking range the automatic burner device will always be on at first Above the burner clocking range i e after the setpoint was reached the automatic burner device and the fan are switched off if the correcting variable becomes zero For the fan le...

Page 16: ...button is blocked because an active Superturbo was already deactivated and should remain also inactive You can only switch back to slower heating melt function below the limit from P73 Please note that the switch option to Superturbo remains in those named limits if the controller was configured as a pure thermostat with P54 In this case the switch does not create a change in the control behavior ...

Page 17: ...selected timer and the LED of this timer is on It is possible to start all 5 timers simultaneously however a multiple start of a single timer is not possible With parameter P28 the buzzer can be specified for continuous or pulsating operation Basket activity If the basket operation is activated P75 0 and P76 0 the basket is lowered at every start of a timer and is raised at every stop or end of a ...

Page 18: ...Error in parameter memory Repair of controller OIL control active Warning message fat operating time is exceeded see P82 Acknowledge with the temperature DOWN key OIL control blocked Control is blocked fat operating time is exceeded see P82 Acknowledge with the MELT and START key rES Reset of fat operating time see P86 Display flashing Threshold alarm P25 1 Timer lamp flashing Timer has elapsed se...

Page 19: ...crew terminals grid 5 00 mm for cables up to 2 5 mm Ambient conditions Storage temperature 20 70 C Operating temperature 0 55 C Relative humidity max 75 r H no condensation Weight approx 600 g Enclosure type IP65 front IP00 rear Protection class Protection class II rated voltage 250 V Standards CE Low Voltage Directive 73 23 EEC EN 60335 1 2002 Household and similar electrical appliances Safety EN...

Page 20: ...3 Timer 3 Start or remaining time 14 T4 Timer 4 Start or remaining time max 15 T5 Timer 5 Start or remaining time max 1 16 S 0 Status 0 max 2 17 S 1 Status 1 Error max 3 18 S 2 Status 2 Intern max 4 14 S 3 Status 3 mainFlags i16 1 All values are sent with MSB first For a description of the individual status bits see separate table B Status64 read via ST Bus Token ReadStatus64 Index Data 0 Data 1 D...

Page 21: ...or EP in the display 11 12 Check mode on Pr in the display 13 14 Buzzer on 15 Error if 1 see Status1 Status 1 S 1 Error 0 E1 in the display Sensor error F1 F3 1 FAt in the display 2 UEb in the display 3 4 5 Hot in the display 6 Ptc in the display 7 OIL in the display 8 9 10 11 12 13 14 15 Status 2 S 2 internal signals 0 Relay K1 1 Relay K2 2 Relay K3 3 Relay K4 4 Relay K5 5 Relay K6 6 Relay K7 7 R...

Page 22: ... Burner clocking under setpoint value active 15 Burner clocking was active D MainFlags corresponds Status64 Index 3 Description Bit Function Message MainFlags 0 0 Panel On 1 Timer running 2 Buzzer on because end of baking 3 Intern button beep 4 Intern buzzer on for alarm 5 Intern buzzer on for error 6 Intern buzzer acknowledged 7 Intern Parameterization via buttons active 8 Intern Display Temperat...

Page 23: ...inFlags 2 0 Relay switch off delay active 1 Alarm signal with flashing and buzzer 2 Alarm relay is switched on 3 Internal Controller is in test mode 4 Internal ST Bus test mode 5 Internal Manual test mode 6 Internal Display 7 Basket is up 8 Basket is down 9 Overtemperature alarm at input E2 10 Internal unauthorized setpoint access 11 Internal unauthorized time access 12 Multiple timer starts possi...

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