Hoshizaki REFRIGERATED PREP TABLE WITH RAISED RAIL 73168 User Manual download pdf (Page 30)

4. High Condenser Temperature Alarm (clogged lter) (E7)

The unit is equipped with a condenser air lter to protect the condenser from dirt, grease,

etc. The condenser air lter promotes clean condenser surfaces and efficient operation

and should be checked twice monthly and cleaned when necessary. The unit is also

equipped with a condenser thermistor to determine if the condenser or condenser air

lter is excessively dirty. If the condenser thermistor detects a temperature that exceeds

thepresettemperaturevalue(136.4°F(58°C))forover2minutes,"E7"willbedisplayed.

CAUTION

Failure to take action when this alarm activates could result in damage to the

compressor.

Reset Options

After cleaning the lter, the alarm will automatically reset once the temperature at the

condenser outlet drops below 136.4°F (58°C).

Possible Causes (forfurtherdetailssee"III.B.ServiceChart")

•Thecondenserorcondenserairlterisdirty.

•Thecondenserfanmotorisnotfunctioning.

Note: If the power is turned off and then back on while the alarm signal is displayed,

the alarm may be reset even if the condenser or condenser air lter has not

been cleaned. However, the alarm will repeat once the compressor discharge

temperature reaches 136.4°F (58°C).

E7 Alarm

Reset

2 min

High

E7 Alarm Temp.

136.4°F (58°C)

Temperature Display

E7 Alternating

with Temperature

E7 Alarm Timer Start

Low

E7 Alarm

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 65 66

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Hoshizaki REFRIGERATED PREP TABLE WITH RAISED RAIL 73168 User Manual Page 30