SERO DC AWA-SS-12, Инструкция по установке и обслуживанию

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Alarm Messages
In the event of an alarm message, try to re-start the unit with the safety switch.
If this does not work, try to solve the problem with the help of the table below. Call your installation contractor if
you need help.
Table : Alarm Messages
44 Control
Alarm Explanation
DISPLAY EEPROM EEPROM reading failure from display
DISPLAY-TRANSITION COMMUNICATE
The communications failure between display board and
transition circuit board
TRANSITION EEPROM EEPROM reading error from transition circuit board
TRANSITION-MAIN COMMUNICATE
The communications error between transition circuit
board and main circuit board
MAIN-MODULE COMMUNICATE
The communications error between main circuit board
and module
OUTDOOR TEMP. Outdoor ambient temperature sensor error
MODULE VOLTAGE OVER Outdoor module voltage over-low error
IPM MODULE IPM module error
CMP TOP OVER Compressor top temperature over
CMP TEMP.
Compressor exhausts temperature sensor error
RETURN TEMP. Return water temperature sensor error
WARM WATER TEMP. Water tank temperature sensor error
FEEDLINE TEMP. Feed water temperature sensor error
PIPE TEMP. Pipe temperature sensor error( defrosting)
ADD HEAT OVER OR FLOW TROUBLE Water flow error or electrical heater
HIGH PRESS Pressure over high
LOW PRESS Pressure over low
ROOM TEMP. Room air temperature sensor error
WARM WATER TEMP. TOO LOW The water tank temperature is too low