6 x Faults and disturbances
51
FA ROTEX Solaris - 08/2007
Tab. 6-2 Table of sensor faults
6.2 Troubleshooting
Operational events that are similar to faults
The storage tank temperature T
S
in the Solaris Sanicube does not reach the value adjusted with parameter "TS max":
– Pumps are switched off, the system is drained. The T
S
lamp in the control unit blinks, the display shows the measured storage
tank temperature. As soon as the storage tank temperature falls more than 2 K, normal system operation is resumed.
The temperature in the solar panel is higher than the switch-on inhibit temperature "TK perm"
– Pumps are switched off. The T
K
lamp in the Solaris control unit blinks. As soon as the adjusted switch-on inhibit temperature
falls more than 2K, normal system operation is resumed.
Disturbances
Return flow temperature
R
is greater than 40°C and is 10 K above the storage tank temperature T
S
. The pumps are shut off and
the T
R
light in the Solaris control unit flashes. The cause for this is a defective or incorrectly connected sensor,
• Install the sensor correctly or replace it; normal system operation will be resumed.
Minimum flow rate V1 at the FlowSensor is not reached within the period defined with parameter "Time P2" after switch-on or
after the pumps P1 and P2 are started (Fig.5-3). Pumps are switched off. The letter "F" blinks in the status line of the
Solaris control unit.
• Investigate for a possible leak in the Solaris system, rectify the problem and finally restart the system by switching off/on
the control unit.
If the system cannot be filled (Status F), although the pumps have been started by the control unit, the following faults might be
the cause:
1. Air, which has been drawn in during draining, has entered the pumps.
• Check the pumps for trapped air and vent. This is done by loosening (do not remove) the sealing cap of the automatic venting
valve on the pump housing of booster pump P2. After venting, retighten the sealing cap of the automatic venting valve on
circulation pump P1.
2. Checking for leaks
• Check the system for leaks and rectify if necessary. Observe the notes in Chapter 4 "Start-up".
3. Or increase pump output with the selector switch (1, 2, 3) or increase the starting time "Time P2" (Chapter 5.4).
No display, and the main switch in the illuminated "On" position:
• Replace the control unit (electronic fault).
The main switch is not illuminated in the "On" position, the control unit is not powered on.
• Check the connections of the mains plug and the voltage supply (fuses, switches).
Sensor Cause of the
fault
Status (blinks) Display Lamp (blinks) Consequence
Solar panel temp.
Interruption K uuuu TK
Permanent switch-off of P1 and P2
Short circuit –––– TK
Return flow temp.
Interruption R uuuu TR
Short circuit –––– TR
Storage tank temp.
Interruption S uuuu TS
Short circuit –––– TS
feed temp. Voltage drop V –––– Without lamp
Operation without FlowSensor
FlowSensor Voltage drop D –––– Without lamp
Hereby, short-term evaporation in the solar panels is possible. The pressureless steam escapes into the storage
tank. On rare occasions, slight amounts of steam can escape from the Solaris Sanicube.
To Next Page
Loading...
Need help?
General
