Tadiran Telecom Ansal LRSJ-80/NYN1, Техническое руководство, Страница: 27 / 35

Tadiran Domestic Pool Type Technical Manual TCAC-RTSM-20150203
27
time), you would see rust mix up water in red, flow out from tap. That is normal, just keep
draining and the rust will disappear after a while.
Before asking for service or repairing, check the following points:
Condition Cause
Normal
operation
 White aerosol or globule
is give out
 Make sound of “hiss”
every now and then
 Air supply motor stop automatically to defrost.
 At the beginning and the end of defrost process, sound is
give out in motor valve.
 During the process of just after have stopped, sound like
water flow occur, which will be amplified at the first 2
～
3
minutes, this is caused by the process of refrigerant current
or water.
 Slight “hiss” is caused by heat exchanger as temperature
changes. The sound give out because of heat expands and
cold contracts of heat exchanger.
Please check
that again
 Stop operation or start up
automatically  Check the timer whether it is correctly set
 Detect antifreezing mode is operating
 No operate
 Whether the power is cut
 Whether the manual power supply switch is off
 Whether fuse is broken
 Whether the protection device works (Operation lamp is
lightened)
 Whether it is the time set(Operation lamp is lightened)
 Inefficient heating Whether the inlet and outlet of heat pump units is blocked
In case of the flowing malfunctions, please cut off the manual power switch and contact the local
dealer or after service center:

The fuse was burnt out frequently or the earth leakage protective device was broken up
frequently.
 Only the red indication will be flashed.
2.10 Trouble shooting
Code Explanation Solution
E2
Outdoor unit and wire controller
communication error
Check whether the communication wire is damaged.
Check whether the communication wire is correctly connected to the
motherboard.
Check whether voltage provided is too low.
Check whether the signal of communication wire is in strong
electromagnetic interference.
E3
Outlet water temperature
sensor Tout error
Check whether the Tout temperature sensor is damaged.
Check whether the Tout temperature sensor is correctly connected to the
motherboard.
Check whether the signal of Tout sensor is in strong electromagnetic
interference.
E4
Inlet water temperature sensor
T6 error
Check whether the T6 temperature sensor is damaged.
Check whether the T6 temperature sensor is correctly connected to the
motherboard.