Service Level 2; A Software Version; Cgfa Status (Not Applicable); Gfa Error (Not Applicable) - Bosch ZSB 30-2 Installation And Servicing Instructions

11.3.2 Service level 2

Service function 8.A: Software version
The version number of the software is displayed.
Service function 8.b: Code plug
The 4-digit part number of the code plug
(digits no. 7 upto 10 of order no.) is
indicated.
The code plug determines the appliance
functions. If the appliance is converted from
natural gas to LPG or vice versa (using
conversion kit) the code plug also has to be
changed.
Service function 8.C: GFA status
(not applicable)
Service function 8.d: GFA error
(not applicable)
Service function 8.E: Reset all parameters
This function enables you to reset the appliance to the
standard settings. All service functions that have been
altered are reset to their standard settings.
To reset all settings on Service levels 1 and 2 to the
factory settings:
B Display the value of the service function 8.E (second
service level, value = 0) and store it. The appliance
restarts with factory settings.
Service function 8.F: Permanent ignition
This function allows permanent ignition without gas
supply to be activated for the purposes of checking the
ignition mechanism.
NOTE: Ignition transformer may be
damaged.
B Do not run for more than 2 minutes.
Service function 9.A: Operation mode permanent
Set a fixed operation mode even when boiler has been
switched off.
Service function 9.b: Actual fan speed
The current fan speed is displayed in Hertz (Hz).
Service function 9.C: Actual heating output
This service function displays the current appliance
heating output (in percent (%)).
Service function 9.d: Start fan speed
The actual start fan speed between 45 and 55 Hz is
displayed in Hertz (Hz).
Service function 9.E: Turbine signal delay (ZWB only)
Sets a delay time relating to the beginning of DHW
demand to avoid an undesired demand by water surge
hammer.
Service function 9.F: Pump over-run time (CH mode)
Sets the time of pump over-run after the end of a heating
demand.
Heatronic settings | 49
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