Sanyo UH3642 / CH3642, XH3642 / CH3642 Symptom LCD on the remote controller displays Check E16

4. Service procedures

15) Symptom: LCD on the remote controller displays “CHECK E16”.

Start

		Yes
When the group of the units are
			Repair the wiring.
installed, is there any mis-cross
between inter unit control wiring and
refrigerant tubing?
	No

Are the total capacities of indoor units

to that of outdoor units more than 107%?

No

Confirm less than 5 indoor units are

connected.

No

Yes	Select indoor units which match with
	the outdoor capacity.

0647_M_S

16) Symptom: LCD on the remote controller displays “CHECK L13”.

Start

When the group of the units are installed, is there any mis-cross between inter unit control wiring and refrigerant tubing?

No

Check the capacity of the indoor unit by remote controller.

See Test Run Manual.

Yes

Repair the wiring.

0648_M_S

4

17) “Check P9” is displayed on the remote control unit.

Start

Is PNL connector socket being attached to panel connected firmly with PNL plug?

Yes

Replace P.C.B. Ass’y in the indoor unit.

Yes

Connect firmly.

2100_M_S

SM830082

IV - 17