Page ST215C User Handbook
20
Other Features
Energy Used & Setpoint Displays
Operate the ◄ key at any time to show the amount of electrical energy used in kWh.
If pressed during a firing it shows the energy used so far. After a firing it shows the
total energy used for that firing. This information is stored while power is off and is
only reset to zero when a new firing is started. If the value displayed is always 0.0
then the kiln power rating has not been configured - see the Installation section of this
handbook.
Operating the ◄ key a second time shows the current set-point (the temperature
which the ST215C is currently trying to achieve).
Keyboard Lock Facility
The keys on the ST215C can be locked so that pressing them has no effect. This is an
anti-tamper feature used to ensure that the operation of the ST215C or the program data
cannot be altered by un-authorised people. The ST215C can be locked when it is idle
(not firing) or while it is firing. It cannot be locked while it is being programmed.
Power Failure Recovery
If power fails during firing then the ST215C recovers as follows:-
For power failure during start delay the ST215C times off the remaining start delay when
power returns. For power failure during ramping the ST215C continues the ramp it was
previously executing. For power failure during soaking the ST215C ramps back up to
soak temperature at the correct ramp rate then applies the remaining soak period. This
recovery scheme can be disabled if required (see installation section) - the ST215C will
then lock up with FAIL displayed and kiln off in the event of power failure.
Press the ▲ & ▼ keys together & hold down
for 5 seconds to lock.
Press the ▲ & ▼ keys together & hold down
for 5 seconds to unlock.
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