1 display messages, 2 fault and error codes, 3 alarm codes – Xylem ECOCIRC XL & XLplus User Manual

Page 27: 8 troubleshooting

8 Troubleshooting

Introduction
See

Figure 13

• In case of any alarm that allows the pump to

continue running, the display shows alternative-

ly alarm code and last quantity selected, while

the status indicator (8) becomes orange.

• In case of a failure that stops the pump, the dis-

play shows the error code permanently and the

status indicator (8) becomes red

8.1 Display messages

Table 3: Default

Operating LEDs / Dis-

play

Cause

Power On

Pump powered

All LEDs and display

Start-up of the pump

Status Green light

Pump is working proper-

Remote On

Remote communication

is activated

Table 4: Fault messages

Operating

LEDs / Display

Cause

Solution

Power Off

Pump is not

connected or is

incorrectly con-

nected

Check connec-

tion

Power failure

Check mains +

circuit breaker

and fuse

Status Orange

light

Alarm for sys-

tem problem

Check the alarm

code on display

to understand

the problem of

the system.

Status Red

light

Pump failure

Check the error

code on display

to understand

the problem of

the pump.

Remote Off

Remote com-

munication is

deactivated

If the communi-

cation does not

work, then

check the con-

nection and the

configuration

parameters for

communication

on the external

controller.

8.2 Fault and error codes

Error

code

Cause

Solution

E01

Internal communica-

tion lost

Restart the

pump

E02

High motor current

Restart the

pump

E03

DC Bus overvoltage

Other sources

force too high

flow through

the pump.

Check the sys-

tem setup, cor-

rect position of

non return

valves and its

integrity.

E04

Motor stall

Restart the

pump

E05

Data memory corrupt-

Restart the

pump

E06

Voltage supply out of

operating range

Check the elec-

trical system

voltage and

connection.

E07

Motor thermal protec-

tion trip

Check the pres-

ence of impuri-

ties around im-

peller and rotor

that cause over-

load on the mo-

tor. Check in-

stallation condi-

tions and tem-

perature of the

water and air.

Wait until the

motor is

cooled. If the

error persist try

to restart the

pump

E08

Inverter thermal pro-

tection trip

Check installa-

tion conditions

and air temper-

ature.

E09

Hardware error

Restart the

pump

E10

Dry run

Check pres-

ence of system

leakage or fill

the system.

8.3 Alarm codes

Alarm

code

Cause

Solution

A01

Fluid sensor anom-

aly

Switch off the

pump for 5 mi-

nutes and then

power on.

Switch off the pump for 5 minutes and then power on. If the problem persists, contact service.

en - Translation of the original instructions