Glow-worm Energy7 12s-A - PCB and Valve;Sensor Replacement; Replacing Main and User Interface PCBs; Replacing Expansion Relief Valve and Pressure Sensor; Checking Product for Leak-Tightness

13 Troubleshooting
42 Installation and maintenance instructions Energy
7
0020300876_01
13.6.6 Replacing the main PCB
C
C
D
B
C
C
D
B
A
A
1. Open the electronics box. (→ Page 25)
2. Pull all of the plugs out from the PCB.
3. Undo the clips on the PCB.
4. Remove the PCB.
5. Install the new PCB in such a way that it clicks into the
groove at the bottom and into the clip at the top.
6. Plug in the PCB plugs.
7. Close the electronics box.
13.6.7 Replacing the PCB for the user interface
B
C
C
D
A
A
1. Open the electronics box. (→ Page 25)
2. Pull the plug out of the PCB.
3. Undo the clips on the PCB.
4. Remove the PCB.
5. Install the new PCB in such a way that it clicks into the
groove at the bottom and into the clip at the top.
6. Plug in the PCB plug.
7. Close the electronics box.
13.6.8 Replacing the expansion relief valve
1
2
1. Remove the clip (2).
2. Remove the expansion relief valve.
3. Fit the new expansion relief valve with a new O-ring.
4. Reattach the clip (2).
13.6.9 Replace the pressure sensor
1
2
1. Pull out the plug.
2. Remove the clip (1).
3. Remove the pressure sensor (2).
4. Install the new pressure sensor.
5. Reattach the clip (1).
13.7 Checking the product for leak-tightness
▶ Check that the product is leak-tight. (→ Page 32)