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8. Troubleshooting
When a malfunction is suspected
If any of the symptoms below occurs
Symptom
Check
Turning the ELB to on will not
activate the unit.
●
If the power cord is connected to the power supply securely.
●
If power outage is occurring..
An error code (Er.) is
displayed
●
Check the error code.
Check the error code in
“Safety device and error codes” on P.
The refrigerator does not start
●
Refrigerator is overloaded. Turn the ELB off immediately and
make check in the column
“Temperature does not go down”
below, wait for a while and turn the breaker on again.
Temperature does not rise.
●
If the set temperature is below that in the bath.
●
If the power supply voltage has declined.
●
If the ambient temperature is outside the usable environmental
temperature range.
●
If cooling load for inside the bath is large.
Temperature does not go
down
●
If the set temperature is higher than that in the bath.
●
If supply voltage is low.
●
If the environmental temperature is high.
●
If heat load in the bath is large.
●
If the ventilation port is covered.
●
If the condenser filter is dirty.
●
If the condenser fins are clogged.
Temperature fluctuates during
operation.
●
If the set temperature is appropriate.
●
If the power supply voltage has declined.
●
IF fluctuation of the environmental temperature has become
large.
●
If load for inside the bath is large.
Displayed temperature differs
from the measurement.
●
If the calibration offset setting is other than “0”. Set it to “0.”
Confirm the settings described in the separate
“Opeation
Manual for Model CR5 Program Controller Manual
”.
If power outage occurs
When the power is applied again after the unit has stopped due to power outage, the unit will
automatically return to the status immediately before the power outage and resumes operation.
To
manually recover, follow the procedures in FUNCTION 2
“Power failure compensation setting” in
the
“Operation Manual for the Model CR5 Program Controller”.
Turn the ELB off if you do not want to resume operation by automatic recovery.
◆
If the symptom does not match any of the above, immediately turn the ELB on the main unit off,
pull out the power cord from the power supply and contact your dealer or one of our sales
offices.