
MNL- 0345
Page 68
Section 3
Base Edition
3.2.3
Trouble shooting
Trouble
Cause
Remedy
Solenoid Valve does not drain.
1. Solenoid valve receives no
electrical signal
2. Plunger of drain valve
sticking
1. Check connections, timer.
Replace if necessary.
2. Clean or replace valve.
Condensate Drain Valve does not
drain.
1. Solenoid valve does not
depressurize drain valve.
2. No control medium avail-
able.
3. Solenoid valve sticking.
4. Drain valve sticking in open
position
1. Check solenoid valve,
replace if necessary
2. Check supply lines
3. Clean or replace
4. Clean or replace