Filter
Top Products
VHX SERIES STEAMER - TROUBLESHOOTING
SYMPTOM POSSIBLE CAUSES
F25154 (February 2004)
Page 43 of 48
Condenser drain box leaking. 1. Grommets or cover panel gasket not sealing.
2. Clog in drain line plumbing.
3. Drain restricted due to drain pipe size below 1-1/4" NPT.
4. Drain extension plumbing not at the proper slope or plumbing
too lengthy.
5. Steamer drain not plumbed to an open air gap drain.
6. Steamer draining while under pressure and relief valve opening
at the same time (flooding drain box).
7. Cold water condenser spray is over spraying.
8. Cold water condenser cycling thermostat out of adjustment or
malfunction.
Excessive steam vapors exiting from
drain.
1. Water supply for cold water condenser line off or inline strainer
clogged.
2. Cold water condenser solenoid not receiving power, clogged or
malfunction.
3. Clogged spray nozzle (condenser drain box).
4. Water supply pressure high; or high pressure in line due to
water hammer, causing improper valve operation.
5. Cold water condenser thermostat out of adjustment or
malfunction.
Heat coming on without water in boiler
(Dry firing).
1. Lime scale build-up on water level probes.
2. Retention of water in probe housing (three probe assembly or
single AUX LLCO probe).
3. Air equalization tubes clogged.
4. Water level control malfunction.
5. Auxiliary water level control malfunction.
6. Reset switch malfunction.
7. K1, K2, K3, K4 relays malfunction.
8. Relay board malfunction.
Excessive time for boiler to reach
operating pressure (over 15 min.).
1. Supply voltage incorrect.
2. Heating elements not wired correctly.
3. Contactor(s) malfunction.
4. Water supply off or low pressure, filtering system clogged,
boiler fill valve clogged or malfunction.
5. Manual blowdown valve on water level probe housing open.
6. Boiler blowdown/drain solenoid valve clogged and not fully
closing.
7. Steam trap malfunction (stuck open).
8. Pressure relief valve leaking (pressure below 15PSI).
9. Cooking compartment steam solenoid valve clogged and not
fully closing.
10. Excessive load on boiler due to other equipment connected to
steam line (outlet from boiler).
11. A heavy build-up of scalants has coated the interior of the
boiler, creating an insulating effect.