Table 2-2. Unit Troubleshooting - continued
TEST OR INSPECTION
PIPING INSTALLATION - continued
Check for restricted or defective RAW WATER FLOW meter, PRODUCT WATER FLOW meter and
If PRODUCT WATER FLOW meter is restricted or defective, remove restriction and/or replace
If RAW WATER FLOW meter is restricted or defective, remove restriction and/or replace flow
If check valve is restricted or defective, remove restriction and/or replace check valve Refer to
ABNORMAL CARTRIDGE FILTER DIFFERENTIAL PRESSURE GAGE INDICATION.
Check if gage is at or near zero and RAW WATER FLOW meter is normal (35 GPM approximately).
If gage is at, or near zero at normal flow, replace gage. Refer to paragraph 2-49.
Check cartridge filter for damaged, clogged or missing elements.
Clean, install or replace elements as required.
INADEQUATE BRINE FLOW IN MULTIMEDIA FILTER CLEANING OPERATION.
Check if stager cycles.
If not, press PUSH TO RESET button.
Check for 115 VAC input voltage TB-1 to TB-2 (ground), and 115 VAC start signal at TB-4 in timer
To measure start signal, if it is necessary to hold ELEMENT CLEANING switch (S-2) to the START
If input voltage and/or start signal is absent, notify Direct Support Maintenance.