Trouble Shooting; Environmental Conditions; Disposal Of Unit - Sanyo MPR-311D(H) Instruction Manual

TROUBLE SHOOTING
If the unit malfunctions, check out the following before calling for service.
1. If nothing operates even when switched on
1) Is unit connected to the power supply?
2) Is there a power failure?
3) Is the fuse blown.or the circuit breaker inactivated?
2. When alarm is activated
When alarm lamp and buzzer are activated, follow
procedures, to determine a cause.
1) On start-up
Does the temperature in the unit match set value? .
2) In use
Was the door kept opened for long time? Were
containers of high temperature (load) put in the unit?
In this case, alarm is removed automatically by running
the unit for several hours.
3. When unit does not get cold enough
1) Is air exhaust vent blocked up with containers?
2) Was a large amount of warm product put in the
unit?
3) Is there nearly heat source?
4) Is the door opened frequently?
5) Is ambient temperature too high?
6) Is the unit in direct sunlight?
7)
8)
Is the door securely closed?
Is the door seal damaged or foreign substance
inserted between door gaskets?
ENVIRONMENTAL CONDITIONS
This equipment is designed to be safe at least under Ihe following conditions:
1. Indoor use;
2. Altitude up to 2000 m;
3. Ambient temperature 5°C to 40°C;
4. Maximum relative humidity 80% for temperature up
to 31°C decreasing linearly to 50% relative humidity at
40°C;
DISPOSAL OF UNIT
5. Mains supply voltage fluctuations as stated by the
manufacturer;
6. Transient overvoltages according to Installation
Categories (Overvoltage Categoires) II; For mains
supply the minimum and normal category is II;
7. Pollution degree 2 in accordance with IEC 664.
LtWARNING
O
When the unit is stored in an unsupervised area for an extended period, ensure that children do not have
access and make sure the doors cannot be closed completely.
O
The disposal of the unit should be undertaken by appropriate personnel. Always remove doors to
prevent accidents such as suffocation.
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