Haier DW-86L338J Service Manual page 48

Ult freezer, biomedical after-sales
Hide thumbs Also See for DW-86L338J:
Table of Contents

Advertisement

11. The
temperature in
Large temperature difference in the
the freezer is not
freezer
uniform
12. The display
Power transformer fault of control
board displays
board
EEE
ULT Energy-saving Series
After-sales Service Manual
1. If the top temperature is too high, treat the door seal and
replace the inner door to ensure good sealing performance;
2. If the bottom temperature is too high, restart the system
and add refrigerant R508B for low temperature system (Or
add refrigerant with a needle control valve).
output short circuit of the isolation transformer winding of
the switching power supply, and there is no +12 V output,
the freezer temperature display area will immediately
flashing display EEE, the alarm indicator light will flash
synchronously, and the buzzer will give an alarm.
In case of switching power supply damage due to
48

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents