Sanyo MPR-1013R Instruction Manual - Page 19

ALARMS & SAFETY FUNCTIONS This unit has the alarms and safety functions shown in Table 5, and also self diagnostic functions. Table 5. Alarms and safety functions Alarm & Safety High temperature alarm Low temperature alarm Over-heat protection Over-cooling protection Power failure alarm Situation If the chamber temperature deviates from the set temperature +2oC or up to +14oC. If the chamber temperature deviates from the set temperature -2oC or up to -14oC. If the chamber temperature is lower than 0oC. When the chamber temp. is higher than 28oC. (Reset when the chamber temp. is lower than about 18oC) When the chamber temp. is lower than -1oC. (Reset when the chamber temp. is higher than 8oC) When the power to the unit is disconnected. Indication ALARM lamp is flashed. Temperature indicator is flashed. ALARM lamp is flashed. Temperature indicator is flashed. ----- ----- ----- Door alarm When the door is open. Door check lamp is lit. Auto-return When there is no key pressing in each setting mode for 90 seconds. Chamber temperature is displayed. Key lock When the key lock is "ON". ----- Thermal sensor abnormality Memory back-up If the thermal sensor is disconnected or short-circuited. If the defrost sensor 1 is disconnected or short-circuited. If the defrost sensor 2 is disconnected or short-circuited. (MPR-1013,1013R only) When power failure or disconnected the power cord. ALARM lamp is flashed. E01 and 50oC (or -50oC) are displayed alternately. ALARM lamp is flashed. E02 and chamber temp. are displayed alternately. ALARM lamp is flashed. E03 and chamber temp. are displayed alternately. ----- Buzzer Intermittent tone with 15 minutes delay. Safety operation Remote alarm with 15 minutes delay. Intermittent tone with Remote alarm with 15 15 minutes delay. minutes delay. Intermittent tone ----- Remote alarm Inside fan, drain pan heater, defrost heater OFF ----- Compressor OFF ----Intermittent tone with 2 minutes delay. --------- Intermittent tone Intermittent tone Remote alarm. ----- Finishing of each setting mode. Change of setting is disable. Remote alarm. Operation by the defrost sensor Remote alarm. Unit keeps running. Intermittent tone Remote alarm. Unit keeps running. ----- Set value memorized Note: The remote alarm is silenced by pressing the buzzer stop key (BZ) as the remote alarm is operated in conjunction with the buzzer, except for the power failure alarm. When more than two alarm conditions occur simultaneously, the lowest number error code has priority on the error display. After a power failure, the unit will resume operation with the set value that was in place before power failure occurred. The over-cooling protection may activate when the set temperature is 2oC. In this case, the chamber temperature will rise to 8oC, but this is not malfunction. 18