Master Bilt MCR-33101 Installation & Operation Instructions page 30

MANUAL DEFROST MODE
1. Make sure the device is in the "on" status, which
pre-cooling or storage cycle is in progress.
2. Make sure that the keyboard is not locked and that
no procedure is in progress.
3. Press and release the key (1), press and release the
key (2) and then press and release the
START/STOP.
PRE-COOLING START-UP
Operate as indicated to start pre-cooling:
1. Make sure the device is in the "on" status.
2. Make sure that the keyboard is not locked and that
no procedure is in progress.
3. Press and release the key (1) and then press and
release the START/STOP key (2).
4. Press and release the START/STOP key.
Parameter r120 establishes the work set-point during
pre-cooling. When the cabinet temperature reaches
that established with parameter r12, pre-cooling
continues and the buzzer is activated for 2 s.
** Every operating cycle can be preceded by pre-cooling.
SWITCHING ON UV LIGHT FOR STERILIZATION CYCLE
Operate as follows:
1. Make sure that parameter u11 is set at 2.
2. Make sure the device is in the "on" status and that the
door is closed, i.e. the door micro switch is not active.
3. Make sure that the keyboard is not locked and that no
procedure is in progress.
4. Press and release the key (1), press and release the key
(2) and then press and release the START/STOP key
(3). The device will display the residual time of the
UV light switch-on duration and the cabinet
temperature.
SILENCING THE BUZZER
1. Make sure no procedures are in progress.
2. Press and release any key.
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