is

 

 

 

 

 

Code + Description

Cause

Solution

Remark

 

 

 

 

 

 

C02 (lock out error)

Incorrect reference

1. Reset electronic controller.

To replace the necessary parts, you must contact your installation

 

 

voltage from the AD

2. Check that the frequency of the power supply is

engineer

 

 

converter.

 

 

Error message from the

compliant (3.4.2 "General and electrical specifications"). If this

 

 

 

 

 

 

 

 

is not the case, contact your installation engineer

 

 

appliance controller.

 

 

 

 

 

 

3. If the frequency is correct but the error persists, replace the

 

 

 

 

 

 

 

Internal error message

EEPROM read

 

 

electronic controller.

 

 

from the appliance

 

error

 

 

controller.

50 Hz error

 

 

 

 

 

 

 

 

Internal

 

 

 

 

 

communication

 

 

 

 

 

error

 

 

 

 

 

 

 

 

 

Internal error message

Gas valve relay

 

 

 

from the appliance

 

error

 

 

 

controller.

Safety relay error

 

 

 

 

 

 

 

 

Ignition relay error

 

 

 

 

RAM error

 

 

 

 

EEPROM error

 

 

 

 

EEPROM contents

 

 

 

 

 

do not match the

 

 

 

 

 

software version

 

 

 

 

Processor software

 

 

 

 

 

error

 

 

 

 

 

 

 

 

C03 (blocking error)

Too many resets in too

Wait for the error to disappear (maximum 1 hour). If the error does

To replace the necessary parts, you must contact your installation

 

 

short a period.

not disappear, replace the appliance controller.

engineer

 

Reset error

 

 

 

 

 

 

 

 

 

 

C04 (blocking error)

Incorrect appliance

1. Check whether the correct appliance is selected (12.5 "Display

If the error cannot be resolved or is persistent, contact your

 

 

selection / Incorrect

the selected appliance").

installation engineer

 

Appliance selection

selection resistor

2. If the correct appliance is selected, fit the correct selection

To replace the necessary parts, you must contact your installation

 

error

 

 

engineer

 

 

 

resistor.

 

 

 

 

 

 

 

 

 

3. If incorrect appliance selected, select the correct one.

 

 

 

 

 

 

 

 

Instruction manual SGE

88

Page 88
Image 88
A.O. Smith SGE Code + Description Cause Solution Remark C02 lock out error, C03 blocking error, C04 blocking error