Samsung ERV RHF025EE - Page 14

Samsung Electronics
3. Alignment and Adjustments
3-1 Error Mode and Check Method
No Error Mode LED Display Measures
1
Indoor temperature sensor
(Short/Open)
• Check the temperature sensor WIRE disconnection or
connection conditions
• Check PCB PATTERN OPEN/SHORT
2
CO
2
sensor
(Short/Open)
• Check the CO
2
sensor WIRE disconnection or
connection conditions
• Check PCB PATTERN OPEN/SHORT
• Check CO
2
Sensor
3
EEPROM error
• Check PCB PATTERN OPEN/SHORT
4
Tracking error of MASTER
ventilator (After 3 minutes of
tracking, SLAVE ventilators
can not be detected.)
• Check option setup SWITCH (K8)
• Check address setup SWITCH
• Check WIRE disconnection
5
Communication error,
System failure by
communication error after
tracking
• Check address setup SWITCH
• Check WIRE disconnection
6
Outdoor temperature sensor
(Short/Open)
• Check temperature WIRE disconnection or connection
conditions
• Check PCB PATTERN OPEN/SHORT
7
SA (SUPPLY AIR)
Fan Motor error
• Check MOTOR
• Check PCB connection
• Check WIRE disconnection
8
EA (EXHAUST AIR)
Fan Motor error
• Check MOTOR
• Check PCB connection
• Check WIRE disconnection
3-1
27723A(1)_RHF-025EB_1.indd 1 2007-05-09 ｿﾀﾈﾄ 4:23:04