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Energy Used & Setpoint Displays
12.5kWh
After a firing the total energy used for the firing is shown. This information is
stored while power is off and is only reset to zero when a new firing is start-
ed. If the value displayed is always 0.0 then the kiln power rating has not
been configured - see installation handbook.
Operating the ◄ key a second time shows the current set-point (the temper-
ature which the ST535 is currently trying to achieve).
Keyboard Lock Facility
The keys on the ST535 can be locked so that pressing them has no effect.
This is an anti-tamper feature used to ensure that the operation of the ST535
or the program data cannot be altered by un-authorised people. The ST535
can be locked when it is idle (not firing) or while it is firing. It cannot be
locked while it is being programmed.
LOCKED
Power Failure Recovery
If power fails during firing then the ST535 recovers as follows:-
For power failure during start delay the ST535 times off the remaining start
delay when power returns. For power failure during ramping the ST535 con-
tinues the ramp it was previously executing. For power failure during soak-
ing the ST535 ramps back up to soak temperature at the correct ramp rate
then applies the remaining soak period. This recovery scheme can be disa-
bled if required (see installation handbook) - the ST535 will then lock up with
FAIL displayed and kiln off in the event of power failure.
ST535 User Handbook
Other Features
Press and hold down the fn key then press
the ◄ key at any time to show the amount
of electrical energy used in kWh. During a
firing the energy used so far is shown.
Press and hold the fn key down for 5
seconds to lock or to unlock.
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